Re: [MBZ] ac compressor pulley bearings?

[Kaleb Striplin via Mercedes]

And you can spend hours screwing around with it and the fix either does not 
work or doesn’t work for long, or just swap out the compressor. You are going 
to have to unbolt it and tilt it up or down to get enough access to get your c 
clip pliers in there. 

Sent from my iPhone

> On Nov 26, 2022, at 6:49 PM, Buggered Benzmail via Mercedes 
>  wrote:
> 
> I think the compressor itself is ok (the AC leaks but it worked for awhile 
> when I filled it once maybe it’s the compressor I don’t know) it’s just the 
> pulley sounds rough
> 
> --FT
> Sent from iFōn
> 
>> On Nov 26, 2022, at 7:27 PM, Kaleb Striplin via Mercedes 
>>  wrote:
>> 
>> You remove the bolt and the front plate comes off, next you have to remove 
>> a c clip way down inside the pulley. Very difficult if not impossible to 
>> remove with it on the car. If you have a used compressor you can try 
>> swapping it. I have tried to do this a couple of times and it didn’t last 
>> long. Long story short, I would just replace the compressor. 
>> 
>> Sent from my iPhone
>> 
 On Nov 26, 2022, at 6:12 PM, Floyd Thursby via Mercedes 
  wrote:
>>> 
>>> I'm putting a new water pump on the SL600, which seems to involve removing 
>>> about everything from the front of the engine. That's fine as I have 
>>> cleaned 28yr of grime off the front of the engine and various attachments.  
>>> Looks fairly good now and ready to go back together after I get a few small 
>>> parts.
>>> 
>>> Anyway, the AC compressor pulley freewheeling sounds not too good, like the 
>>> bearings are mostly shot.  There is a big nut on the shaft that appears to 
>>> be holding the clutch and the pulley on.  I have never taken one of these 
>>> apart but I presume if I undo that nut (and keep the shaft from spinning 
>>> somehow, maybe with some sort of wrench on/in the shaft end as there 
>>> appears to be some sort of partial allen wrench hole there) the clutch and 
>>> pulley will come off.  Am I thinking right?
>>> 
>>> I'm going to order the other pulleys too, tensioner and idler to replace 
>>> while I'm in there, so if it is possible to get that compressor pulley I 
>>> will get one too.
>>> 
>>> -- 
>>> --FT
>>> ___
>>> http://www.okiebenz.com
>>> 
>>> To search list archives http://www.okiebenz.com/archive/
>>> 
>>> To Unsubscribe or change delivery options go to:
>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>> 
>> 
>> 
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Re: [MBZ] ac compressor pulley bearings?

[Buggered Benzmail via Mercedes]

I think the compressor itself is ok (the AC leaks but it worked for awhile when 
I filled it once maybe it’s the compressor I don’t know) it’s just the pulley 
sounds rough

--FT
Sent from iFōn

> On Nov 26, 2022, at 7:27 PM, Kaleb Striplin via Mercedes 
>  wrote:
> 
> You remove the bolt and the front plate comes off, next you have to remove a 
> c clip way down inside the pulley. Very difficult if not impossible to remove 
> with it on the car. If you have a used compressor you can try swapping it. I 
> have tried to do this a couple of times and it didn’t last long. Long story 
> short, I would just replace the compressor. 
> 
> Sent from my iPhone
> 
>> On Nov 26, 2022, at 6:12 PM, Floyd Thursby via Mercedes 
>>  wrote:
>> 
>> I'm putting a new water pump on the SL600, which seems to involve removing 
>> about everything from the front of the engine. That's fine as I have cleaned 
>> 28yr of grime off the front of the engine and various attachments.  Looks 
>> fairly good now and ready to go back together after I get a few small parts.
>> 
>> Anyway, the AC compressor pulley freewheeling sounds not too good, like the 
>> bearings are mostly shot.  There is a big nut on the shaft that appears to 
>> be holding the clutch and the pulley on.  I have never taken one of these 
>> apart but I presume if I undo that nut (and keep the shaft from spinning 
>> somehow, maybe with some sort of wrench on/in the shaft end as there appears 
>> to be some sort of partial allen wrench hole there) the clutch and pulley 
>> will come off.  Am I thinking right?
>> 
>> I'm going to order the other pulleys too, tensioner and idler to replace 
>> while I'm in there, so if it is possible to get that compressor pulley I 
>> will get one too.
>> 
>> -- 
>> --FT
>> ___
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>> 
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>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
> 
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Re: [MBZ] ac compressor pulley bearings?

[Kaleb Striplin via Mercedes]

You remove the bolt and the front plate comes off, next you have to remove a c 
clip way down inside the pulley. Very difficult if not impossible to remove 
with it on the car. If you have a used compressor you can try swapping it. I 
have tried to do this a couple of times and it didn’t last long. Long story 
short, I would just replace the compressor. 

Sent from my iPhone

> On Nov 26, 2022, at 6:12 PM, Floyd Thursby via Mercedes 
>  wrote:
> 
> I'm putting a new water pump on the SL600, which seems to involve removing 
> about everything from the front of the engine. That's fine as I have cleaned 
> 28yr of grime off the front of the engine and various attachments.  Looks 
> fairly good now and ready to go back together after I get a few small parts.
> 
> Anyway, the AC compressor pulley freewheeling sounds not too good, like the 
> bearings are mostly shot.  There is a big nut on the shaft that appears to be 
> holding the clutch and the pulley on.  I have never taken one of these apart 
> but I presume if I undo that nut (and keep the shaft from spinning somehow, 
> maybe with some sort of wrench on/in the shaft end as there appears to be 
> some sort of partial allen wrench hole there) the clutch and pulley will come 
> off.  Am I thinking right?
> 
> I'm going to order the other pulleys too, tensioner and idler to replace 
> while I'm in there, so if it is possible to get that compressor pulley I will 
> get one too.
> 
> -- 
> --FT
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Re: [MBZ] AC compressor engage signal on a euro 123 wagon

[Jim Cathey via Mercedes]

> It is the older style unit with the vertical buttons in the middle.

That's the [Evil] Chrysler system, is it not?

http://formicapeak.com/~jimc/chryaccfh/chryaccfh.html

-- Jim


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Re: [MBZ] AC compressor engage signal on a euro 123 wagon

[Karl Wittnebel via Mercedes]

OK thanks Curley. Will let you know how it goes.

On Sat, Oct 19, 2019 at 9:04 PM Curley McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> Mit Klima, or Sans Klima?If it has Klima, that is where you start.
> Klima relay fails often.
>
> Otherwise, I'd start at the plug closest to the clutch.   Likely if you
> have voltage there when the clutch should be engaged, the clutch coil is
> bad.   If no volts there, every case I have encountered has been a Klima
> relay gone over the hill.
>
> Karl Wittnebel via Mercedes wrote on 10/19/19 9:33 PM:
> > OK hypothetically if I needed to pull the climate control signal for the
> > A/C compressor clutch off a euro 123 wagon control unit, where would I
> > begin looking for the signal?
> >
> > WDB 123 193 120 14388
> >
> > It is the older style unit with the vertical buttons in the middle. I
> guess
> > I need to do some reading on how these control units typically fail and
> how
> > to test/troubleshoot them.
> >
> > This motor is from a 2006 320 cdi, so it is a bit of a hybrid.
> >
> > Thanks,
> > Karl
> >
> >
> >
> >
> >
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Re: [MBZ] AC compressor engage signal on a euro 123 wagon

[Curley McLain via Mercedes]

Mit Klima, or Sans Klima?    If it has Klima, that is where you start.   
Klima relay fails often.


Otherwise, I'd start at the plug closest to the clutch.   Likely if you 
have voltage there when the clutch should be engaged, the clutch coil is 
bad.   If no volts there, every case I have encountered has been a Klima 
relay gone over the hill.


Karl Wittnebel via Mercedes wrote on 10/19/19 9:33 PM:

OK hypothetically if I needed to pull the climate control signal for the
A/C compressor clutch off a euro 123 wagon control unit, where would I
begin looking for the signal?

WDB 123 193 120 14388

It is the older style unit with the vertical buttons in the middle. I guess
I need to do some reading on how these control units typically fail and how
to test/troubleshoot them.

This motor is from a 2006 320 cdi, so it is a bit of a hybrid.

Thanks,
Karl





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Re: [MBZ] AC compressor oil

[Max Dillon via Mercedes]

Craig, I'm thinking that the mineral oil didn't travel too far, as the r134 
won't carry it.  Lines from compressor to condenser and to the drier will be 
flushed too, they are easy.

I may add some ester oil to "bridge" the two oils, so they play well together.


-- 
Max Dillon
Charleston SC

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Re: [MBZ] AC compressor oil

[Craig via Mercedes]

On Sun, 11 Aug 2019 17:48:52 -0400 Meade Dillon via Mercedes
 wrote:

> Well here is a FAQ from the Enviro-Safe website:
> 
> https://www.es-refrigerants.com/resources/faq/w/id/16/details.asp
> "Is Enviro-Safe™ Refrigerant compatible with all refrigerant oils?
> 
> Yes, Enviro-Safe™ is totally compatible with all refrigerant oil
> available today. It can be used with Mineral, Ester and PAG oils without
> incompatibility."
> 
> So I probably need to remove / drain / flush the compressor and the
> condenser, re-fill with PAG-46 and charge with ES.

Do you not also need to drain and flush the evaporator and TXV and the
intervening hoses? (You probably don't want to remove those items. :-) ).


Craig

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Re: [MBZ] AC compressor oil

[Meade Dillon via Mercedes]

Well here is a FAQ from the Enviro-Safe website:

https://www.es-refrigerants.com/resources/faq/w/id/16/details.asp
"Is Enviro-Safe™ Refrigerant compatible with all refrigerant oils?

Yes, Enviro-Safe™ is totally compatible with all refrigerant oil available
today. It can be used with Mineral, Ester and PAG oils without
incompatibility."

So I probably need to remove / drain / flush the compressor and the
condenser, re-fill with PAG-46 and charge with ES.
-
Max
Charleston SC


On Sun, Aug 11, 2019 at 4:46 PM Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> I thought PAG worked with everything?
>
> -D
>
> > On Aug 11, 2019, at 3:53 PM, Peter Frederick via Mercedes <
> mercedes@okiebenz.com> wrote:
> >
> > PAG is more likely to work with propane/butane than mineral oil is
> likely to work with R134a I think.
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Re: [MBZ] AC compressor oil

[Dan Penoff via Mercedes]

I thought PAG worked with everything?

-D

> On Aug 11, 2019, at 3:53 PM, Peter Frederick via Mercedes 
>  wrote:
> 
> PAG is more likely to work with propane/butane than mineral oil is likely to 
> work with R134a I think.
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Re: [MBZ] AC compressor oil

[Max Dillon via Mercedes]

Someone on the peach parts forum also recommended adding some Ester oil to 
"bridge" the two.

I'd prefer to run the propane / butane Envirosafe stuff, so maybe the mineral 
oil will be ok in that regard.
-- 
Max Dillon
Charleston SC

On August 11, 2019 3:52:03 PM EDT, Peter Frederick via Mercedes 
 wrote:
>You probably won't find any information for anything but R134a in
>automotive use, it's the standard since 1992 or 1993, and no automotive
>system uses R12 or anything else from the factory.  Not system newer
>than then will have any recommendation for mineral oil
>
>Ester oils were the magic ones that you could add to an R12 system to
>make the oil compatible with R134a.  I suspect all PAG (poly alkylene
>glycol) oils are too polar for anything but fluorocarbon refrigerants. 
>Don't have any documentation though, just basic chemistry.
>
>
>
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Re: [MBZ] AC compressor oil

[Peter Frederick via Mercedes]

PAG is more likely to work with propane/butane than mineral oil is likely to 
work with R134a I think.
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Re: [MBZ] AC compressor oil

[Peter Frederick via Mercedes]

You probably won't find any information for anything but R134a in automotive 
use, it's the standard since 1992 or 1993, and no automotive system uses R12 or 
anything else from the factory.  Not system newer than then will have any 
recommendation for mineral oil

Ester oils were the magic ones that you could add to an R12 system to make the 
oil compatible with R134a.  I suspect all PAG (poly alkylene glycol) oils are 
too polar for anything but fluorocarbon refrigerants.  Don't have any 
documentation though, just basic chemistry.



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Re: [MBZ] AC compressor oil

[Meade Dillon via Mercedes]

I need to get smart on the oils.  For about ten years, The White Whale was
fine with PAG-46 and r134a or with EnviroSafe 12 (propane / butane).

I have sent an email to the Envirosafe folks to see which oil they
recommend.
-
Max
Charleston SC


On Sun, Aug 11, 2019 at 2:26 PM Mitch Haley via Mercedes <
mercedes@okiebenz.com> wrote:

> I believe oil which isn't refrigerant miscible leaves the compressor and
> doesn't come back.
> The refrigerant is supposed to carry it back to the compressor.
> It probably ends up internally insulating the condenser.
> Your 134A will circulate the PAG, but I think the mineral stuff is just
> getting in the way unless/until you put some R12 or propane in there.
>
> > On August 11, 2019 at 2:07 PM Meade Dillon via Mercedes <
> mercedes@okiebenz.com> wrote:
> >
> >
> > Does the PAG-46 oil circulate with the refrigerant, and the mineral oil
> > mostly remain in the compressor?
> >
> > I'm wondering if I should just remove and drain the compressor, maybe
> flush
> > out the condenser, install new drier and correct PAG-46 oil, re-charge
> and
> > go.
> > -
> > Max
> > Charleston SC
> >
> >
> > On Sun, Aug 11, 2019 at 8:25 AM Meade Dillon 
> wrote:
> >
> > > I think I've done something wrong.
> > >
> > > Yesterday I finished re-sealing the AC compressor for The White Whale
> > > (1987 300TD).  My interpretation of the FSM is that 50cc of oil were
> > > required, due to the sudden loss when the shaft seal failed, and
> replacing
> > > the drier, and draining all old oil from the compressor.
> > >
> > > For some reason, I decided to use mineral oil, thinking that was what I
> > > had used last time I did the major flush and re-fill of the system.
> > > Wrongo, pretty sure this morning that the system had PAG-46 in it.  No
> idea
> > > what the viscosity of the mineral oil is, but I'll bet it is 100.  So
> I've
> > > got a blend of oils in the system.  Mostly PAG-46, but also mineral
> oil of
> > > unknown weight.
> > >
> > > Then I discovered that I did not have sufficient Envirosafe (propane /
> > > butane blend) so I had to run out to Wal-Mart and get a few cans of
> r134
> > > (yuck!).
> > >
> > > I've only put in two cans / 24 oz of R134, and pressures are plenty
> high.
> > > Did not have time for a test drive last night but vent temperatures
> were
> > > only getting down to about 68 deg F with the car sitting in the drive.
> > >
> > > I have a feeling I'm going to be flushing the whole system and starting
> > > over.
> > > -
> > > Max
> > > Charleston SC
> > >
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Re: [MBZ] AC compressor oil

[Meade Dillon via Mercedes]

Peter - I was under the impression that PAG is "universal" and can be used
with either r12 or r134.  The FSM calls for oil from sheet 362, which only
has one oil listed (MB-brand) which I suspect is Denso ND-Oil 8, which is
equivalent to PAG-46.

I've purchased several bottles of mineral oil over the years, and have yet
to find one that lists the viscosity, so I'm hesitant to use a mineral oil
that is not recommended by MB or Denso.  I'm assuming that the 46 in PAG-46
is the viscosity.
-
Max
Charleston SC


On Sun, Aug 11, 2019 at 2:47 PM Peter Frederick via Mercedes <
mercedes@okiebenz.com> wrote:

> If you are using propane "test" refrigerant, you need the mineral oil,
> anything with R134 needs the PAG or ester base oil -- PAG is too polar for
> propane, and mineral oil isn't polar enough for R134a
>
> In either case you are risking a compressor failure due to lack of
> lubrication, I'd make sure the oil is matched to the refrigerant.
>
>
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Re: [MBZ] AC compressor oil

[Peter Frederick via Mercedes]

If you are using propane "test" refrigerant, you need the mineral oil, anything 
with R134 needs the PAG or ester base oil -- PAG is too polar for propane, and 
mineral oil isn't polar enough for R134a

In either case you are risking a compressor failure due to lack of lubrication, 
I'd make sure the oil is matched to the refrigerant.


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Re: [MBZ] AC compressor oil

[Mitch Haley via Mercedes]

I believe oil which isn't refrigerant miscible leaves the compressor and 
doesn't come back. 
The refrigerant is supposed to carry it back to the compressor. 
It probably ends up internally insulating the condenser. 
Your 134A will circulate the PAG, but I think the mineral stuff is just getting 
in the way unless/until you put some R12 or propane in there. 

> On August 11, 2019 at 2:07 PM Meade Dillon via Mercedes 
>  wrote:
> 
> 
> Does the PAG-46 oil circulate with the refrigerant, and the mineral oil
> mostly remain in the compressor?
> 
> I'm wondering if I should just remove and drain the compressor, maybe flush
> out the condenser, install new drier and correct PAG-46 oil, re-charge and
> go.
> -
> Max
> Charleston SC
> 
> 
> On Sun, Aug 11, 2019 at 8:25 AM Meade Dillon  wrote:
> 
> > I think I've done something wrong.
> >
> > Yesterday I finished re-sealing the AC compressor for The White Whale
> > (1987 300TD).  My interpretation of the FSM is that 50cc of oil were
> > required, due to the sudden loss when the shaft seal failed, and replacing
> > the drier, and draining all old oil from the compressor.
> >
> > For some reason, I decided to use mineral oil, thinking that was what I
> > had used last time I did the major flush and re-fill of the system.
> > Wrongo, pretty sure this morning that the system had PAG-46 in it.  No idea
> > what the viscosity of the mineral oil is, but I'll bet it is 100.  So I've
> > got a blend of oils in the system.  Mostly PAG-46, but also mineral oil of
> > unknown weight.
> >
> > Then I discovered that I did not have sufficient Envirosafe (propane /
> > butane blend) so I had to run out to Wal-Mart and get a few cans of r134
> > (yuck!).
> >
> > I've only put in two cans / 24 oz of R134, and pressures are plenty high.
> > Did not have time for a test drive last night but vent temperatures were
> > only getting down to about 68 deg F with the car sitting in the drive.
> >
> > I have a feeling I'm going to be flushing the whole system and starting
> > over.
> > -
> > Max
> > Charleston SC
> >
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>

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Re: [MBZ] AC compressor oil

[Meade Dillon via Mercedes]

Does the PAG-46 oil circulate with the refrigerant, and the mineral oil
mostly remain in the compressor?

I'm wondering if I should just remove and drain the compressor, maybe flush
out the condenser, install new drier and correct PAG-46 oil, re-charge and
go.
-
Max
Charleston SC


On Sun, Aug 11, 2019 at 8:25 AM Meade Dillon  wrote:

> I think I've done something wrong.
>
> Yesterday I finished re-sealing the AC compressor for The White Whale
> (1987 300TD).  My interpretation of the FSM is that 50cc of oil were
> required, due to the sudden loss when the shaft seal failed, and replacing
> the drier, and draining all old oil from the compressor.
>
> For some reason, I decided to use mineral oil, thinking that was what I
> had used last time I did the major flush and re-fill of the system.
> Wrongo, pretty sure this morning that the system had PAG-46 in it.  No idea
> what the viscosity of the mineral oil is, but I'll bet it is 100.  So I've
> got a blend of oils in the system.  Mostly PAG-46, but also mineral oil of
> unknown weight.
>
> Then I discovered that I did not have sufficient Envirosafe (propane /
> butane blend) so I had to run out to Wal-Mart and get a few cans of r134
> (yuck!).
>
> I've only put in two cans / 24 oz of R134, and pressures are plenty high.
> Did not have time for a test drive last night but vent temperatures were
> only getting down to about 68 deg F with the car sitting in the drive.
>
> I have a feeling I'm going to be flushing the whole system and starting
> over.
> -
> Max
> Charleston SC
>
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Re: [MBZ] AC COMPRESSOR

[clay monroe via Mercedes]

Do you  have a local fix it place that can do rebuild?  The guys I had rebuild 
my alternator for the w115 also do compressors.  Not sure why, but they do.

clay 

1974 450sl -  Frosch - Two tone green
1986 SDL - Polei
1982 300 SD - Allen

retired models-
2002 s430 - Victor, a Stately & well tailored crap
1976 300D - Blei Vanst - it looks silvery
1972 220D - Gump - She was green, simple and ran
1995 E300D - Gave her life to save me against a Dame in a SUV
POS 1987 SDL - Beware Nigerian Scammers







> On Mar 24, 2018, at 10:56 AM, Curley McLain via Mercedes 
>  wrote:
> 
> Keep it or scrap it?   What would you do?   No GM vehicles...
> Thinking it was an ND,  I was going to reuse it and take out the R4.
> Now I guess I will leave it original, unless there is some good reason to 
> keep the a6...
> (M116, 85 380SL)
>> Kaleb C. Striplin via Mercedes 
>> March 24, 2018 at 12:44 PM
>> Looks like the GM a6 to me
>> 
> 
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Re: [MBZ] AC COMPRESSOR

[clay monroe via Mercedes]

That looks like the R4 unit I have in the SL


clay 

1974 450sl -  Frosch - Two tone green
1986 SDL - Polei
1982 300 SD - Allen

retired models-
2002 s430 - Victor, a Stately & well tailored crap
1976 300D - Blei Vanst - it looks silvery
1972 220D - Gump - She was green, simple and ran
1995 E300D - Gave her life to save me against a Dame in a SUV
POS 1987 SDL - Beware Nigerian Scammers







> On Mar 24, 2018, at 10:31 AM, Curley McLain via Mercedes 
>  wrote:
> 
> without digging the compressor out, I assumed it was a ND since it was not a 
> GM.  I thought only ND and GM compressors came on mid 80s MBs.
> 
> what kind of compressor is this?  It was on the replacement M116.
> 
> Anyone need seal/gasket kits for ND?
> 
> 
> 

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Re: [MBZ] AC COMPRESSOR

[Peter Frederick via Mercedes]

Looks like the one in my 72 280SE, it was really an aftermarket setup.  Don't 
have the car anymore, so can't say for sure, but it was definitely a GM 
compressor.
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Re: [MBZ] AC COMPRESSOR

[Jim Cathey via Mercedes]

The GM A6 was used in a number of older MB's.  The 450's of various types,
I think.

-- Jim
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Re: [MBZ] AC COMPRESSOR

[Curley McLain via Mercedes]

Dunno.  It seems to match GM a6 I found online.  The 85 R107 has an R4 
compressor.  We know there are pitfalls if you have to replace an R4.  I 
wonder if the ND will fit in the same bracket as the A6?   both have 4 
front mounting holes and 1 or 2 rear.  Its just a ? of getting the right 
clutch, the right front-rear position to align the belts.


Do do 81-85 126s have the GM a6?   300SDs?

Kaleb C. Striplin via Mercedes 
March 24, 2018 at 5:53 PM
That one looks like the compressor that was used on the 81-85 v8 cars 
which I’m remembering was the a6. Maybe it’s not the a6


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Re: [MBZ] AC COMPRESSOR

[Kaleb C. Striplin via Mercedes]

That one looks like the compressor that was used on the 81-85 v8 cars which I’m 
remembering was the a6. Maybe it’s not the a6

Sent from my iPhone

> On Mar 24, 2018, at 4:32 PM, Curley McLain via Mercedes 
>  wrote:
> 
> So I found that GM used the a6 in 63-76 corvettes.  It must be an antique.  
> So, it is older than the R4 design.   THis engine must be an early M116.   
> Did they use this GM a6 compressor in 116 body cars?  W108/109?   I think the 
> M116 was in both bodies as the 3.5.
> 
> Still not a fan of vergassers.
> 
>> Kaleb C. Striplin via Mercedes 
>> March 24, 2018 at 12:44 PM
>> Looks like the GM a6 to me
> 
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Re: [MBZ] AC COMPRESSOR

[Curley McLain via Mercedes]

So I found that GM used the a6 in 63-76 corvettes.  It must be an 
antique.  So, it is older than the R4 design.   THis engine must be an 
early M116.   Did they use this GM a6 compressor in 116 body cars?  
W108/109?   I think the M116 was in both bodies as the 3.5.


Still not a fan of vergassers.


Kaleb C. Striplin via Mercedes 
March 24, 2018 at 12:44 PM
Looks like the GM a6 to me


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Re: [MBZ] AC COMPRESSOR

[Curley McLain via Mercedes]

Keep it or scrap it?   What would you do?   No GM vehicles...
Thinking it was an ND,  I was going to reuse it and take out the R4.
Now I guess I will leave it original, unless there is some good reason 
to keep the a6...

(M116, 85 380SL)

Kaleb C. Striplin via Mercedes 
March 24, 2018 at 12:44 PM
Looks like the GM a6 to me



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Re: [MBZ] AC COMPRESSOR

[Curley McLain via Mercedes]

Was that used on MB cars in the USA?

or is it an aftermarket changeover?

Kaleb C. Striplin via Mercedes 
March 24, 2018 at 12:44 PM
Looks like the GM a6 to me

Sent from my iPhone




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Re: [MBZ] AC COMPRESSOR

[Kaleb C. Striplin via Mercedes]

Looks like the GM a6 to me

Sent from my iPhone

> On Mar 24, 2018, at 12:31 PM, Curley McLain via Mercedes 
>  wrote:
> 
> without digging the compressor out, I assumed it was a ND since it was not a 
> GM.  I thought only ND and GM compressors came on mid 80s MBs.
> 
> what kind of compressor is this?  It was on the replacement M116.
> 
> Anyone need seal/gasket kits for ND?
> 
> 
> 
> ___
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> 
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Re: [MBZ] AC Compressor Reseal

[MG via Mercedes]

I wouldn't know on that as the first windows machine I had was a 
256 non IBM. It had a massive 5MB hard drive and 5.5 floppy. Wow, 
I was in heaven! Even had a modem though I think it was only 
2,500 baud. Still another thing the Apple never had and a lot 
more then the 16KB of memory that came with the Apple I think all 
of 650KB. Times sure have changed.


Manfred

Jim Cathey wrote:

I think the last machine to come out with a cassette interface was the IBM
PC.

The modulation and data formats had a lot to do with reliability.  No two
machines
(brand) used the same system.  Some worked better than others.

-- Jim



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Re: [MBZ] AC Compressor Reseal

[Jim Cathey via Mercedes]

I think the last machine to come out with a cassette interface was the IBM
PC.

The modulation and data formats had a lot to do with reliability.  No two
machines
(brand) used the same system.  Some worked better than others.

-- Jim
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Re: [MBZ] AC Compressor Reseal

[MG via Mercedes]

Not dependable? Really? When I first got my Apple II the cassette 
tape was all I had for a couple of years before I saved enough 
money to get the 5.5 floppy drive. I never had the first problem 
with it. Just lucky I guess or a good cassette player.


Manfred



Date: Wed, 21 Dec 2016 01:31:31 -0600
From: fmiser 



Curt wrote:



... my first computer, the TI99/4A. ...I casually mentioned that
my first computer had 16KB of RAM and we saved programs to audio
tape. ... The younger folks didn't believe you could save
programs to audio tape so we had a learning moment...


Sure!  You could _save_ the program to audio tape - but how often
were you able to _load_ from audio tape?  In that respect, the TI
was pretty weak.  We had better luck with reel-to-reel at higher
tape speeds than with cassette, but it was still not very dependable.




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Re: [MBZ] AC Compressor Reseal

[Curt Raymond via Mercedes]

Uhh, always? Never had a failure, still works 35 years later...
Curt

Sent from Yahoo Mail on Android 
 
  On Tue, Dec 20, 2016 at 11:31 PM, fmiser via Mercedes 
wrote:   > Curt wrote:

> ... my first computer, the TI99/4A. ...I casually mentioned that
> my first computer had 16KB of RAM and we saved programs to audio
> tape. ... The younger folks didn't believe you could save
> programs to audio tape so we had a learning moment...

Sure!  You could _save_ the program to audio tape - but how often
were you able to _load_ from audio tape?  In that respect, the TI
was pretty weak.  We had better luck with reel-to-reel at higher
tape speeds than with cassette, but it was still not very dependable.

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Re: [MBZ] AC Compressor Reseal

[fmiser via Mercedes]

Curt wrote:



... my first computer, the TI99/4A. ...I casually mentioned that
my first computer had 16KB of RAM and we saved programs to audio
tape. ... The younger folks didn't believe you could save
programs to audio tape so we had a learning moment...


Sure!  You could _save_ the program to audio tape - but how often
were you able to _load_ from audio tape?  In that respect, the TI
was pretty weak.  We had better luck with reel-to-reel at higher
tape speeds than with cassette, but it was still not very dependable.

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Re: [MBZ] AC Compressor Reseal

[Curley McLain via Mercedes]

Same way to start the cummins 504 or trippple nnnickel.  2 people or 
spray the ether and run around quick, climb in ant try to get it to 
light with whatever ether is left.  Method 2 takes much more ether.  
same procedure on direct injection engines in general.  JD 1530 had a 
little fixture you screw a can of ether in to.  push up the can and hit 
the starter.  that thing sounded like the head was going to fly apart, 
but no damage over 40 years and enough hours it had to be overhauled.



Curt Raymond via Mercedes 
December 19, 2016 at 4:22 PM
I've been thinking a lot about groomer videos, the Pisten Bully is 
quite a machine. You'll be horrified with the cold start procedure we 
use though. Heres a hint, it involves me spraying ether while Ben 
cranks the machine. No glow plugs so no disaster. Theres an ether pump 
next to the driver's seat, its disconnected, I suspect the line is 
broken. Where would you buy liquid ether anyway?

-Curt


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Re: [MBZ] AC Compressor Reseal

[Curt Raymond via Mercedes]

I've been thinking a lot about groomer videos, the Pisten Bully is quite a 
machine. You'll be horrified with the cold start procedure we use though. Heres 
a hint, it involves me spraying ether while Ben cranks the machine. No glow 
plugs so no disaster. Theres an ether pump next to the driver's seat, its 
disconnected, I suspect the line is broken. Where would you buy liquid ether 
anyway?
-Curt

  From: Curley McLain via Mercedes <mercedes@okiebenz.com>
 To: Mercedes Discussion List <mercedes@okiebenz.com> 
Cc: Curley McLain <126die...@gmail.com>
 Sent: Monday, December 19, 2016 5:05 PM
 Subject: Re: [MBZ] AC Compressor Reseal
   
Do some MB how to Videos at the next clamQ.

How bout some of grooming the schnee trails?  Starting up that groomer 
with the MB engine?

> Mountain Man via Mercedes <mailto:mercedes@okiebenz.com>
> December 19, 2016 at 2:43 PM
>
> You did very well with your coffee-for-MrsCurt video - thank you.
> Do a cold weather inside video? - not coleman?
> tin-man-mao

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Re: [MBZ] AC Compressor Reseal

[Curt Raymond via Mercedes]

The plan is for 3 more coffee videos, the second is supposed to show a failed 
hunter but I didn't shoot enough material and now with snow on the ground I'm 
not sure I can fix enough shots with good enough continuity. I'm sure failed 
continuity bothers me more than most people...
I'm up for ideas if you've got them.
-Curt

  From: Mountain Man <maontin@gmail.com>
 To: Curt Raymond <curtlud...@yahoo.com>; Mercedes Discussion List 
<mercedes@okiebenz.com> 
 Sent: Monday, December 19, 2016 3:43 PM
 Subject: Re: [MBZ] AC Compressor Reseal
   
Curt wrote:
> Not having an MB slows down the process of making MB videos. ;)

You did very well with your coffee-for-MrsCurt video - thank you.
Do a cold weather inside video? - not coleman?
tin-man-mao


   
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Re: [MBZ] AC Compressor Reseal

[Curley McLain via Mercedes]

Do some MB how to Videos at the next clamQ.

How bout some of grooming the schnee trails?  Starting up that groomer 
with the MB engine?



Mountain Man via Mercedes 
December 19, 2016 at 2:43 PM

You did very well with your coffee-for-MrsCurt video - thank you.
Do a cold weather inside video? - not coleman?
tin-man-mao


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Re: [MBZ] AC Compressor Reseal

[Mountain Man via Mercedes]

Curt wrote:
> Not having an MB slows down the process of making MB videos. ;)

You did very well with your coffee-for-MrsCurt video - thank you.
Do a cold weather inside video? - not coleman?
tin-man-mao

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Re: [MBZ] AC Compressor Reseal

[Craig via Mercedes]

On Mon, 19 Dec 2016 15:08:14 -0500 Dan--- via Mercedes
 wrote:

> Part 1:
> 
> https://m.youtube.com/watch?v=CD5lLC5v6PE
> 
> Part 2 is linked on the same page.

Thank you!


Craig

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Re: [MBZ] AC Compressor Reseal

[Dan--- via Mercedes]

Part 1:

https://m.youtube.com/watch?v=CD5lLC5v6PE

Part 2 is linked on the same page.

Dan

Sent from my iPad

> On Dec 19, 2016, at 2:54 PM, Craig via Mercedes  wrote:
> 
> On Mon, 19 Dec 2016 07:47:11 -0500 Dan--- via Mercedes
>  wrote:
> 
>> Using the you tube videos on disassembly and reassembly it took me
>> about 45 minutes to do the reseal.
> 
> Please post the URLs of the ones you watched.
> 
> Thanks,
> 
> 
> Craig
> 
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Re: [MBZ] AC Compressor Reseal

[Craig via Mercedes]

On Mon, 19 Dec 2016 07:47:11 -0500 Dan--- via Mercedes
 wrote:

> Using the you tube videos on disassembly and reassembly it took me
> about 45 minutes to do the reseal.

Please post the URLs of the ones you watched.

Thanks,


Craig

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Re: [MBZ] AC Compressor Reseal

[Curt Raymond via Mercedes]

Not having an MB slows down the process of making MB videos. ;)
I've got the week between Christmas and New Years off and intend to make at 
least a couple videos. I'm thinking to make one about my first computer, the 
TI99/4A. We were at game night a couple months ago and I casually mentioned 
that my first computer had 16KB of RAM and we saved programs to audio tape. 
Game night is mostly 20 somethings so I'm one of the old men although there is 
one guy older than me. The younger folks didn't believe you could save programs 
to audio tape so we had a learning moment...
Saturday I tried starting snowmobiles and got nowhere, one would pop a bit but 
wouldn't stay running, the other wouldn't even pop unless I shot gas into it. I 
think having sat out last season I've got condensation problems. Its no great 
job to drop the carbs and give 'em a quick cleaning, one I did last year, the 
other could use it I suspect. That might make a good video too...
-Curt

  From: Curley McLain via Mercedes <mercedes@okiebenz.com>
 To: Mercedes Discussion List <mercedes@okiebenz.com> 
Cc: Curley McLain <126die...@gmail.com>
 Sent: Monday, December 19, 2016 8:44 AM
 Subject: Re: [MBZ] AC Compressor Reseal
   


Rick Knoble via Mercedes wrote:
> Rick  
> Who thinks some of us need to start making videos to inform others...
> ___
ONE of us does, but unfortunately, most of them are not about fixin' 
MBs.  His movies are very informative and interesting, just about other 
topics.

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Re: [MBZ] AC Compressor Reseal

[Curley McLain via Mercedes]

Rick Knoble via Mercedes wrote:
Rick  
Who thinks some of us need to start making videos to inform others...

___
ONE of us does, but unfortunately, most of them are not about fixin' 
MBs.   His movies are very informative and interesting, just about other 
topics.


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Re: [MBZ] AC Compressor Reseal

[Curley McLain via Mercedes]

WAYTAGO!   I hope it lasts.

My $25 solution was to find the same base compressor on a rice burner 
for $25, then swap over the MB specific parts (clutch and speed sensor)



Dan--- via Mercedes 
December 19, 2016 at 6:47 AM
Resealed my compressor on the W126 yesterday.

For $21 and a couple hours of work it was an amazingly easy and 
economical fix to my leaking compressor shaft seal. The system held a 
vacuum for over two hours when done, and after charging it I'm back to 
making ice cubes like before. This was especially important this 
morning on the way to work as it was in the low 70s at 6:00 am with a 
dew point well above the ambient temperature, meaning I needed the 
drying action to clear my windshield.


I can't confirm it, but I suspect the compressor is the original that 
came on the car. It had Mercedes stickers and part numbers on it, even 
a sticker on the clutch with an MB part number.


Using the you tube videos on disassembly and reassembly it took me 
about 45 minutes to do the reseal. If I had to do it again it would 
take less time, but I took my time and rechecked my work to be sure I 
didn't miss anything.


Other than the oil cooler hoses making for a tight extraction, R was 
pretty easy.


I highly recommend this approach to a leaky compressor shaft seal 
issue. A couple hours and roughly $21.00 worth of materials saved me 
the cost of a new compressor ($250).


Dan

Sent from my iPad

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Re: [MBZ] AC Compressor Reseal

[Rick Knoble via Mercedes]

‎Dan sez:

>‎This was especially important this >morning on the way to work as it was in 
>>the low 70s at 6:00 am with a dew point >well above the ambient temperature,

Yeah, go ahead and gloat. -6f here right now...

>‎Using the you tube videos on >disassembly and reassembly it took me >about 45 
>minutes to do the reseal.

The Internet and YouTube are amazing formats with which to exchange 
information. "Back in the day" it was talking with friends (in person), or 
magazines, books, and the library (dealer manuals). Glad it went well. It 
inspires me to do the same, when it gets closer to spring. 

>‎A couple hours and roughly $21.00 >worth of materials saved me the cost of a 
>>new compressor ($250).

Plus the internals of a new compressor would likely be inferior to the one on 
the car.

Rick  
Who thinks some of us need to start making videos to inform others...
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Re: [MBZ] Ac compressor clutch coil

[Jim Cathey via Mercedes]

>
> How do you test the actual coil itself?


First with an ohmmeter.  I think they draw an amp or three, so that would
put them in the 4-12 ohm range.  If that looks plausible you hook it to
power, see if it clacks.

-- Jim
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Re: [MBZ] ac compressor failure 300td 1982

[Mitch Haley via Mercedes]

 On August 12, 2015 at 11:56 PM Jim Cathey via Mercedes mercedes@okiebenz.com
 wrote:
 
 
  my perfect running 3 month old R4 compressor failed today.
 
 Are you sure it was mounted/clocked right-side up?  The oil suck
 port (inside) needs to be DOWN.  Isn't/wasn't there an X cast
 in to the body?


I'm thinking oil starvation or wear from junk circulating in the lines takes
longer and
results in a rattling, wheezing death. 
The way he describes it, I wonder if the rebuilder didn't have it bolted
together right. 

Mitch. 

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Re: [MBZ] ac compressor failure 300td 1982

[Jim Cathey via Mercedes]

my perfect running 3 month old R4 compressor failed today.


Are you sure it was mounted/clocked right-side up?  The oil suck
port (inside) needs to be DOWN.  Isn't/wasn't there an X cast
in to the body?

-- Jim


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Re: [MBZ] ac compressor failure 300td 1982

[Curly McLain via Mercedes]

Folks

my perfect running 3 month old R4 compressor failed today.

AC had been running for maybe 2 minutes and i 
was going probably 10 mph. Outside air temp 
about 90f. As i started off i heard and 
explosion POW and i assumed  i had had a 
blowout, then i saw a puff of oil smoke come out 
from under the hood.


The new in MAY compressor seems to have popped 
open and, of course, let out all the oil and R12.


I'd driven it a couple of thousand miles since 
the repair which consisted of a good flushing, 
new drier, R12 and conventional refrigerant oil/


Compressor  had been the quietest  smoothest 
i'd ever had. I haven't checked but i don't 
think the compressor actually mechanically 
failed because there was never any noise beyond 
normal


email me directly if you want to see photos Š 
i'm not messing with emailing them to the list


i hat it because it's HOT

compressor was brand new not rebuilt from ebay 
$150 or so and supposedly warrantied but no 
labor, i'm sure


We'll see

I need to do it all again because i have about 
3000 miles of running around and dragging stuff 
to do in the next month and the midwest is hot 
just like georgia


Have any of you ever seen such a failure


thanks,

xx rick
Rick Hawkins

www.javaphoto.com
www.javacycles.com
LETTERPRESSES FOR SALE
www.ricktheprinter.com
www.letterpressmachinery.com


How do you know it is an MB compressor, and not a 
GM compressor?  From what i heard, they look the 
same, but the gm one is mounted 90 or 180º from 
how the MB one mounts, resulting in no oil in the 
bearings for the GM one mounted on the MB.  That 
is why I only trusted a new one from Q, when Q 
was in the biz.


Sounds to me like you got a GM compressor not a GM compressor made for MB use.

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Re: [MBZ] AC Compressor not coming On

[Dan Penoff]

Low pressure switch is usually on top of the receiver-drier.  Short the wires 
together and see if things run at that point.  If so, you've lost your charge.

Dan



On Sep 25, 2013, at 5:43 PM, Larry T wrote:

 Howdy -
1991 300D 2.5T. We keep the ACC on /Auto /assuggested and the AC worked 
 fine until this afternoon when she was coming home from work. The AC worked 
 great yesterday on her way home and this morning it was in the 40s and 50s so 
 it wasn't really needed - then today it failed to cool.  When I checked the 
 Compressor I found it was not coming on with the AC switch. Checked and 
 replaced #7 Fuse with no affect.
 
 Does the Compressor have a High/low Pressure Shut-off? We had it topped off 
 in April and it has been blowing cold since.
 
 I can see some electrical connections below the PS Pump on the top of the 
 Compressor but have no idea how/which ones to test.   There are either 3 or 4 
 wires attached to the Compressor  - which one should be Hot?
 
 Should I just throw up my hands and call the Indy or pray for cool weather?   
 I hope this isn't one of those thousand $$ problems!
 
 ;-)
 Thanks -
 LarryT
 91 300D
 
 
 
 
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Re: [MBZ] AC Compressor not coming On

[WILTON]

My compressor wouldn't come on few days ago 'til I put some R-12 in it.

Wilton

- Original Message - 
From: Larry T l02tur...@comcast.net

To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Wednesday, September 25, 2013 5:43 PM
Subject: [MBZ] AC Compressor not coming On



Howdy -
1991 300D 2.5T. We keep the ACC on /Auto /assuggested and the AC 
worked fine until this afternoon when she was coming home from work. The 
AC worked great yesterday on her way home and this morning it was in the 
40s and 50s so it wasn't really needed - then today it failed to cool. 
When I checked the Compressor I found it was not coming on with the AC 
switch. Checked and replaced #7 Fuse with no affect.


Does the Compressor have a High/low Pressure Shut-off? We had it topped 
off in April and it has been blowing cold since.


I can see some electrical connections below the PS Pump on the top of the 
Compressor but have no idea how/which ones to test.   There are either 3 
or 4 wires attached to the Compressor  - which one should be Hot?


Should I just throw up my hands and call the Indy or pray for cool 
weather?   I hope this isn't one of those thousand $$ problems!


;-)
Thanks -
LarryT
91 300D




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Re: [MBZ] AC Compressor not coming On

[Larry T]

Thx Wilton  Dan -
I guess it can work great one day and be low the next?  I thought it 
would be a gradual degradation   Evidently not ;-)


had it topped off in April - andin the previous May - so I was hoping a 
slow leak would allow a yearly refill.  evidently not.  ;-)


So the next question is where to find the leak and can I fix it 
myself hopefully the parts inside the dash are not the problem. Had 
a defective Schraeder valve a couple of years ago - was hoping that was 
the only problem...


Thanks again --
LarryT
91 300D

On 9/25/2013 6:58 PM, WILTON wrote:

My compressor wouldn't come on few days ago 'til I put some R-12 in it.

Wilton

- Original Message - From: Larry T l02tur...@comcast.net
To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Wednesday, September 25, 2013 5:43 PM
Subject: [MBZ] AC Compressor not coming On



Howdy -
1991 300D 2.5T. We keep the ACC on /Auto /assuggested and the AC 
worked fine until this afternoon when she was coming home from work. 
The AC worked great yesterday on her way home and this morning it was 
in the 40s and 50s so it wasn't really needed - then today it failed 
to cool. When I checked the Compressor I found it was not coming on 
with the AC switch. Checked and replaced #7 Fuse with no affect.


Does the Compressor have a High/low Pressure Shut-off? We had it 
topped off in April and it has been blowing cold since.


I can see some electrical connections below the PS Pump on the top of 
the Compressor but have no idea how/which ones to test. There are 
either 3 or 4 wires attached to the Compressor  - which one should be 
Hot?


Should I just throw up my hands and call the Indy or pray for cool 
weather?   I hope this isn't one of those thousand $$ problems!


;-)
Thanks -
LarryT
91 300D




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Re: [MBZ] AC Compressor not coming On

[Larry T]

I noticed 2 spade connectors next to the sight glass - one red and one 
black (I think - terrible memory)  but tomorrow i'll look closer.


thx
Larry

On 9/25/2013 6:27 PM, Dan Penoff wrote:

Low pressure switch is usually on top of the receiver-drier.  Short the wires 
together and see if things run at that point.  If so, you've lost your charge.

Dan



On Sep 25, 2013, at 5:43 PM, Larry T wrote:


Howdy -
1991 300D 2.5T. We keep the ACC on /Auto /assuggested and the AC worked 
fine until this afternoon when she was coming home from work. The AC worked 
great yesterday on her way home and this morning it was in the 40s and 50s so 
it wasn't really needed - then today it failed to cool.  When I checked the 
Compressor I found it was not coming on with the AC switch. Checked and 
replaced #7 Fuse with no affect.

Does the Compressor have a High/low Pressure Shut-off? We had it topped off in 
April and it has been blowing cold since.

I can see some electrical connections below the PS Pump on the top of the 
Compressor but have no idea how/which ones to test.   There are either 3 or 4 
wires attached to the Compressor  - which one should be Hot?

Should I just throw up my hands and call the Indy or pray for cool weather?   I 
hope this isn't one of those thousand $$ problems!

;-)
Thanks -
LarryT
91 300D




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Re: [MBZ] AC Compressor

[Jaime Kopchinski]

Hi Don, I'm interested!  I'll contact you off list.

Jaime



On Fri, Apr 26, 2013 at 8:01 PM, OK Don okd...@gmail.com wrote:

 I have a partial tank of virgin R12 that I'm not likely to use since I sold
 all the old cars. I'll weigh it and estimate how much is left and make a
 price if anyone is interested in it.
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-- 
Jaime Kopchinski
http://www.jaimekop.com/
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Re: [MBZ] AC Compressor

[Rich Thomas]

Is it 134? -- if not you should convert over

--R


On 4/26/13 10:57 AM, Jon Agne wrote:

Just informed that my compressor is trashed.  I guess it's time to shop for a 
new one along with a dryer, and expansion valve..

Oh well, at least it'll be cool in my car this summer.

Jon

'85 300D


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Re: [MBZ] AC Compressor

[Alex Chamberlain]

On Apr 26, 2013 8:21 AM, Rich Thomas richthomas79td...@constructivity.net
wrote:

 Is it 134? -- if not you should
convert over


Only if he wants A/C that leaks and doesn't cool as well.

Alex
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Re: [MBZ] AC Compressor

[Jon Agne]

I think someone did a half-a** job of conversion before me.  The R-12 high 
pressure port is still installed.  I am thinking of going back to the R-12 
ports and using Freeze 12 and regular oil in the system.

Jon


On Apr 26, 2013, at 11:59 AM, Alex Chamberlain wrote:

 On Apr 26, 2013 8:21 AM, Rich Thomas richthomas79td...@constructivity.net
 wrote:
 
 Is it 134? -- if not you should
 convert over
 
 
 Only if he wants A/C that leaks and doesn't cool as well.
 
 Alex
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Re: [MBZ] AC Compressor

[Dan Penoff]

Jon,

I don't recall what part of the country you're in, but if there is anything in 
the way of heat I would definitely stay with or revert back to some form of 
R-12.  I can tell you that converted R-12 systems in this part of the world 
(Florida) just don't cut it.  The worst conversion I ever had was a W124 wagon 
that had an evaporator failure.  The dealer paid for part of the cost, as I had 
just bought the car from them, but they insisted on a R-134a conversion.

Damned thing was like a greenhouse, even with metallized film tint.

Dan


On Apr 26, 2013, at 1:01 PM, Jon Agne wrote:

 I think someone did a half-a** job of conversion before me.  The R-12 high 
 pressure port is still installed.  I am thinking of going back to the R-12 
 ports and using Freeze 12 and regular oil in the system.
 
 Jon
 
 
 On Apr 26, 2013, at 11:59 AM, Alex Chamberlain wrote:
 
 On Apr 26, 2013 8:21 AM, Rich Thomas richthomas79td...@constructivity.net
 wrote:
 
 Is it 134? -- if not you should
 convert over
 
 
 Only if he wants A/C that leaks and doesn't cool as well.
 
 Alex
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Re: [MBZ] AC Compressor

[WILTON]

I've resisted converting here in hot, humid Eastern NC, too; still using 
R-12 in bowfa mine.


Wilton

- Original Message - 
From: Dan Penoff d...@penoff.com

To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Friday, April 26, 2013 1:52 PM
Subject: Re: [MBZ] AC Compressor



Jon,

I don't recall what part of the country you're in, but if there is 
anything in the way of heat I would definitely stay with or revert back to 
some form of R-12.  I can tell you that converted R-12 systems in this 
part of the world (Florida) just don't cut it.  The worst conversion I 
ever had was a W124 wagon that had an evaporator failure.  The dealer paid 
for part of the cost, as I had just bought the car from them, but they 
insisted on a R-134a conversion.


Damned thing was like a greenhouse, even with metallized film tint.

Dan


On Apr 26, 2013, at 1:01 PM, Jon Agne wrote:

I think someone did a half-a** job of conversion before me.  The R-12 
high pressure port is still installed.  I am thinking of going back to 
the R-12 ports and using Freeze 12 and regular oil in the system.


Jon


On Apr 26, 2013, at 11:59 AM, Alex Chamberlain wrote:

On Apr 26, 2013 8:21 AM, Rich Thomas 
richthomas79td...@constructivity.net

wrote:


Is it 134? -- if not you should
convert over



Only if he wants A/C that leaks and doesn't cool as well.

Alex
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Re: [MBZ] AC Compressor - CLUTCH

[Dan Penoff]

The clutch can be replaced inflame, however, most shops don't want to do it.

My son's 300E 2,6 has a bad clutch coil and I can't find one other than to buy 
a whole clutch.  I really don't want to have to replace the compressor and have 
to deal with everything that goes with it

Dan

On Apr 26, 2013, at 3:26 PM, Jon Agne wrote:

 Hmmm, I was just looking at the service order from yesterday, and it says the 
 clutch is bad.  Is this a replaceable item, or is it necessary for a new 
 compressor?
 
 Jon
 
 
 
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Re: [MBZ] AC Compressor - CLUTCH

[Craig]

On Apr 26, 2013, at 3:26 PM, Jon Agne wrote:

 Hmmm, I was just looking at the service order from yesterday, and it
 says the clutch is bad.  Is this a replaceable item, or is it
 necessary for a new compressor?

It's a replaceable item. I don't know if a new compressor comes with a
new clutch; you'll have to ask your supplier. If the compressor does not
come with one, you will need to buy a clutch.




On Fri, 26 Apr 2013 15:36:35 -0400 Dan Penoff d...@penoff.com wrote:

 The clutch can be replaced inflame, however, most shops don't want to
 do it.

I presume you mean in situ, i.e., while the compressor is installed in
the car with hoses connected.


 My son's 300E 2,6 has a bad clutch coil and I can't find one other than
 to buy a whole clutch.  I really don't want to have to replace the
 compressor and have to deal with everything that goes with it

If you can buy a clutch, why would you have to replace the compressor?

Can you locate a used compressor that has a good clutch coil?


Craig

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Re: [MBZ] AC Compressor - CLUTCH

[Dieselhead]

Dan,

Somewhere in the archives, there is a posting ofhow I replaced my SDL 
compressor with a rice buggy compressor, and which model/yr the donor 
car was.  I know I used the OE clutch and changed it, but it is my 
recollection that the coil was the same in both.  I think a trip to a 
PP would yield a coil.  or, you can take the old coil to flaps and 
match it to a honda or toy of the same vintage (86-91 or 92)  I am 
guessing that some FLAPS will have coils.


Don't you have an auto AC specialist in the area?  We had one in 
Honolulu that was so good/fast/inexpensive it was not worth DIY.




The clutch can be replaced inflame, however, most shops don't want to do it.

My son's 300E 2,6 has a bad clutch coil and I can't find one other 
than to buy a whole clutch.  I really don't want to have to replace 
the compressor and have to deal with everything that goes with it


Dan


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Re: [MBZ] AC Compressor - CLUTCH

[Dan Penoff]

We have a local chain known as Ice Cold Auto Air that unfortunately no longer 
has a location on my side of town.  If they did I would just take it there and 
let them have at it.  They are good and cheap, and they'll even let you supply 
parts if you ask in advance.

If I had the disposable $$ right now I would just take it there and have them 
fix it and let the boy forget about it.  I may still do it

Dan



On Apr 26, 2013, at 4:12 PM, Dieselhead wrote:

 Dan,
 
 Somewhere in the archives, there is a posting ofhow I replaced my SDL 
 compressor with a rice buggy compressor, and which model/yr the donor car 
 was.  I know I used the OE clutch and changed it, but it is my recollection 
 that the coil was the same in both.  I think a trip to a PP would yield a 
 coil.  or, you can take the old coil to flaps and match it to a honda or toy 
 of the same vintage (86-91 or 92)  I am guessing that some FLAPS will have 
 coils.
 
 Don't you have an auto AC specialist in the area?  We had one in Honolulu 
 that was so good/fast/inexpensive it was not worth DIY.
 
 
 The clutch can be replaced inflame, however, most shops don't want to do it.
 
 My son's 300E 2,6 has a bad clutch coil and I can't find one other than to 
 buy a whole clutch.  I really don't want to have to replace the compressor 
 and have to deal with everything that goes with it
 
 Dan
 
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Re: [MBZ] AC Compressor - CLUTCH

[WILTON]

When you have some of those disposable $$, just send 'em to this bnk acct 
#--- available for deposits only on request.   ;)


Wilton

- Original Message - 
From: Dan Penoff d...@penoff.com

To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Friday, April 26, 2013 5:01 PM
Subject: Re: [MBZ] AC Compressor - CLUTCH


We have a local chain known as Ice Cold Auto Air that unfortunately no 
longer has a location on my side of town.  If they did I would just take 
it there and let them have at it.  They are good and cheap, and they'll 
even let you supply parts if you ask in advance.


If I had the disposable $$ right now I would just take it there and have 
them fix it and let the boy forget about it.  I may still do it


Dan



On Apr 26, 2013, at 4:12 PM, Dieselhead wrote:


Dan,

Somewhere in the archives, there is a posting ofhow I replaced my SDL 
compressor with a rice buggy compressor, and which model/yr the donor car 
was.  I know I used the OE clutch and changed it, but it is my 
recollection that the coil was the same in both.  I think a trip to a PP 
would yield a coil.  or, you can take the old coil to flaps and match it 
to a honda or toy of the same vintage (86-91 or 92)  I am guessing that 
some FLAPS will have coils.


Don't you have an auto AC specialist in the area?  We had one in Honolulu 
that was so good/fast/inexpensive it was not worth DIY.



The clutch can be replaced inflame, however, most shops don't want to do 
it.


My son's 300E 2,6 has a bad clutch coil and I can't find one other than 
to buy a whole clutch.  I really don't want to have to replace the 
compressor and have to deal with everything that goes with it


Dan


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Re: [MBZ] AC Compressor - CLUTCH

[Alex Chamberlain]

On Apr 26, 2013 12:47 PM, Craig diese...@pisquared.net wrote:

 On Apr 26, 2013, at 3:26 PM,
Jon Agne wrote:

  Hmmm, I was just looking at the service order from yesterday, and it
  says the clutch is bad.  Is this a replaceable item, or is it
  necessary for a new compressor?

 It's a replaceable item. I don't know if a new compressor comes with a
 new clutch; you'll have to ask your supplier. If the compressor does not
 come with one, you will need to buy a clutch.


But my understanding from Jon's last few posts is that he doesn't know what
kind of refrigerant is in the system, and wants to return it to R-12.  That
will certainly require flushing the compressor at the very least, which is
much, much easier to do with it off the car (pour acetone into input side,
rotate shaft, swish unit out, repeat until it comes out clean).

Alex



 On Fri, 26 Apr 2013 15:36:35 -0400 Dan Penoff d...@penoff.com wrote:

  The clutch can be replaced inflame, however, most shops don't want to
  do it.

 I presume you mean in situ, i.e., while the compressor is installed in
 the car with hoses connected.


  My son's 300E 2,6 has a bad clutch coil and I can't find one other than
  to buy a whole clutch.  I really don't want to have to replace the
  compressor and have to deal with everything that goes with it

 If you can buy a clutch, why would you have to replace the compressor?

 Can you locate a used compressor that has a good clutch coil?


 Craig

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Re: [MBZ] AC Compressor - CLUTCH

[Kaleb C. Striplin]

I just replaced the clutch on my 97 e300 with compress on the car, did not have 
to evacuate

Sent from my iPhone

On Apr 26, 2013, at 2:26 PM, Jon Agne jonag...@gwi.net wrote:

 Hmmm, I was just looking at the service order from yesterday, and it says the 
 clutch is bad.  Is this a replaceable item, or is it necessary for a new 
 compressor?
 
 Jon
 
 
 
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Re: [MBZ] AC Compressor

[OK Don]

I have a partial tank of virgin R12 that I'm not likely to use since I sold
all the old cars. I'll weigh it and estimate how much is left and make a
price if anyone is interested in it.
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Re: [MBZ] AC Compressor

[Max Dillon]

Get a new compressor.  Rusty used to say that the rebuilt were not worth it.
-- 
Max Dillon
Charleston SC
'95 E300, '87 300TD, '73 Balboa 20

Jon Agne jonag...@gwi.net wrote:

Just informed that my compressor is trashed.  I guess it's time to shop
for a new one along with a dryer, and expansion valve..

Oh well, at least it'll be cool in my car this summer.

Jon

'85 300D


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Re: [MBZ] AC Compressor - CLUTCH

[Max Dillon]

Replaceable, and also replace the front and rear seals while you are there.
-- 
Max Dillon
Charleston SC
'95 E300, '87 300TD, '73 Balboa 20

Jon Agne jonag...@gwi.net wrote:

Hmmm, I was just looking at the service order from yesterday, and it
says the clutch is bad.  Is this a replaceable item, or is it necessary
for a new compressor?

Jon



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Re: [MBZ] AC Compressor

[Brian Toscano]

Rebuilt only if you can put it on the counter of the place you bought it
from when it stops working within the 1 year warranty.


On Fri, Apr 26, 2013 at 7:48 PM, Max Dillon meadedil...@bellsouth.netwrote:

 Get a new compressor.  Rusty used to say that the rebuilt were not worth
 it.
 --
 Max Dillon
 Charleston SC
 '95 E300, '87 300TD, '73 Balboa 20

 Jon Agne jonag...@gwi.net wrote:

 Just informed that my compressor is trashed.  I guess it's time to shop
 for a new one along with a dryer, and expansion valve..
 
 Oh well, at least it'll be cool in my car this summer.
 
 Jon
 
 '85 300D
 
 
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Re: [MBZ] AC compressor

[Rusty Cullens]

Delco doesn't make them anymore someone is lying to you. The Behr is made in 
China. If you can buy a new one for $200.00 it shouldn't matter who made it, 
as my cost from the 4 largest wholesale warehouse's in the country is 
$217.50.




Rusty Cullens
BuyMBparts, Inc.
www.buyMBparts.biz
www.buyEUROparts.biz
www.buyASIANparts.biz
Tel/ 1-800-741-5252
Fax/ 770-454-9745
ICQ 427542441
AIM BuyMBparts

- Original Message - 
From: Hans Neureiter diese...@gmail.com

To: Mercedes Discussion List Mercedes@okiebenz.com
Sent: Monday, May 23, 2011 10:34 AM
Subject: [MBZ] AC compressor



I have to replace the AC compressor on my '82 300SD.
I come across a bunch of different makes, AC Delco, Behr, Four Seasons,
Delph, etc.
and prices ranging frm $200 to $400 for new ones.
Any one better than the other?
--
Hans Neureiter, Katy, TX
'82 300SD
Even a stopped clockis right twice a day.
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Re: [MBZ] AC compressor

[Allan Streib]

AC Delco is the OEM I believe.  Have you checked with Rusty?

Allan

Hans Neureiter diese...@gmail.com writes:

 I have to replace the AC compressor on my '82 300SD.  I come across a
 bunch of different makes, AC Delco, Behr, Four Seasons, Delph, etc.
 and prices ranging frm $200 to $400 for new ones.  Any one better than
 the other?

-- 
1983 300D

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Re: [MBZ] AC Compressor staying engaged.

[Peter Frederick]

Could be a bad temp sensor (outside air most likely) or a bad PBCU.   
A stuck relay would run it all the time.


Peter

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Re: [MBZ] AC Compressor staying engaged.

[John Reames]

I would suspect the evaporator temperature switch (I don't remember  
the location in the w123 chassis, but it will be near the evaporator  
case)


It should cut out at 25F...


--
John W Reames
jwrea...@comcast.net
Home: +14106646986
Mobile: +14437915905

On Jan 2, 2010, at 10:04 AM, Michael Esh michael...@me.com wrote:

AC Compressor is staying engaged even though the temps are in low  
20's F.  It does disengage when in economy mode or off button is  
pushed on CCU. Is this caused by a faulty switch or relay.  Any  
suggestions or trouble shooting write-ups would be appreciated.


thanks,
Mike

1984 300D
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Re: [MBZ] AC Compressor Turning Slowly

[Bob Rentfro]

Normal...


- Original Message - 
From: Jim Cathey [EMAIL PROTECTED]

To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Saturday, April 28, 2007 11:34 PM
Subject: Re: [MBZ] AC Compressor Turning Slowly


the AC compressor pulley turning about an eighth of turn at a time 
with a second or so intervals between turns.


Normal direction?  Or reversed?

-- Jim


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Re: [MBZ] AC Compressor Turning Slowly

[LarryT]

I had an AC compressor problem that drove me nuts for a while.  When idling 
when the AC on (cooling) the compressor acted like it would slow 
dramatically to the point it made the belt squeal.  I fought it for a long 
time - trying to tighten it so it would not slip at idle.  What finally 
worked was an OEM belt (Conti IIRC) - problem was cured.


Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
PORSCHE POSTERS!  youroil.net
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/
.
- Original Message - 
From: Bob Rentfro [EMAIL PROTECTED]

To: Mercedes Discussion List Mercedes@okiebenz.com
Sent: Sunday, April 29, 2007 2:02 AM
Subject: [MBZ] AC Compressor Turning Slowly


I ran the AC on the way home today since it was 100 degrees outdoors and we 
had a dust storm blow in (odd for this time of year). As usual, I secured 
the compressor and put the windows down as I pulled into the neighborhood. 
When I stoped in the driveway, right before I was about to shut the engine 
down, I noticed a little off normal noise from under the hood. When I 
looked, I saw the AC compressor pulley turning about an eighth of turn at a 
time with a second or so intervals between turns. So, I switched on the 
compressor  and it worked normally. Switched it off and it did the 
haltingly turning thing again.

Is the compressor clutch going out? I've never had one fail before.

Bob Rentfro
'77 300D 171K
'87 Acura Legend  183K
Goodyear, AZ
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6:30 AM

Re: [MBZ] AC Compressor woes...

[Jim Cathey]

I seem to recall a discussion at one time about AC compressors on 123's
being mounted upside down...and if not mounted right side up, 
failing due
to improper oil distribution in the compressor...  Anybody remember or 
know

the answer?


The upside-downers have a big X on them, or so I recall.  Don't remember
if it's molded in or what.

-- Jim

Re: [MBZ] AC Compressor woes...

[Marshall Booth]

Royce Engler wrote:

Gents,

I seem to recall a discussion at one time about AC compressors on 123's
being mounted upside down...and if not mounted right side up, failing due
to improper oil distribution in the compressor...  Anybody remember or know
the answer?

My compressor has once again seized up, and last time I was under there, I
thought I noticed that it seemed like it was upside down from what I
remembered.  My indy does all my a/c work, and this will be under
warranty...just had him completely overhaul the a/c system a couple of
months ago, but I'd like to solve the compressor seizeup problem once and
for all.  I've probably gone through 4 or 5 compressors in the past 2 or 3
years.  After replacing the mono valve and resoldering the ACC board, I was
getting real used to the climate control working correctly.  ;-(

Royce Engler
1985 300TD Turbo 290K


The sure fire solution is to buy the compressor from a parts supplier 
that will sell you a compressor that is configured to work on a Mercedes 
- and if it fails, will provide you with a replacement and the cost of 
the labor!


As to the X or lack thereof:


A word of advice on buying a replacement compressor:
Any one you get that does NOT come from Mercedes will have the front bearing
cover installed UPSIDE DOWN. Look at the cover on the front behind the
clutch. It will have 4 bolts. Between 2 of the bolts will be an embossed X.
This is the position of the oil hole to lube the front bearing. The R4
compressor was originally designed for GM cars with the compressor mounted
on top of the engine. The X and the inlet/outlet port is UP. Mercedes used
the compressor but rotated it 180 degrees and mounted it under the engine.
This put the ports DOWN. Then they rotated the front cover so the X is UP.
Oil does NOT flow uphill. If you use an aftermarket compressor with the X
down, you will starve the front bearing of oil. It may last a week, a month,
6 months depends on the quality of the bearing they put in. 


I have received feedback on that information confirming that it is 
basically correct. That DOES NOT Mean that if you mount an R-4 upside 
down, it will fail prematurely - only that it is much more likely to 
fail prematurely if you mount it upside down.


I have had many people dispute this and tell me that, I mounted my 
compressor without an X on it and it's still working 10-15 years later. 
No argument, but there really is a reason why Mercedes marked their 
compressors and most of the guys I've spoken with that do this for a 
living (and don't want comebacks) insure that they use compressors 
configured to work on a Mercedes.


Marshall
--
Marshall Booth Ph.D.
Ass't Prof. (ret.)
Univ of Pittsburgh School of Medicine
[EMAIL PROTECTED]

Re: [MBZ] AC Compressor woes...

[Royce Engler]

Thanks, Marshall...that's the post I was looking for.  I'll show it to my
indy and file it in a safe place.

Best Regards,
Royce

Royce Engler
1985 300TD Turbo 290K

-Original Message-
From: Marshall Booth [mailto:[EMAIL PROTECTED]
Sent: Sunday, February 11, 2007 2:42 PM
To: [EMAIL PROTECTED]; Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor woes...


Royce Engler wrote:
 Gents,

 I seem to recall a discussion at one time about AC compressors on 123's
 being mounted upside down...and if not mounted right side up, failing
due
 to improper oil distribution in the compressor...  Anybody remember or
know
 the answer?

 My compressor has once again seized up, and last time I was under there, I
 thought I noticed that it seemed like it was upside down from what I
 remembered.  My indy does all my a/c work, and this will be under
 warranty...just had him completely overhaul the a/c system a couple of
 months ago, but I'd like to solve the compressor seizeup problem once and
 for all.  I've probably gone through 4 or 5 compressors in the past 2 or 3
 years.  After replacing the mono valve and resoldering the ACC board, I
was
 getting real used to the climate control working correctly.  ;-(

 Royce Engler
 1985 300TD Turbo 290K

The sure fire solution is to buy the compressor from a parts supplier
that will sell you a compressor that is configured to work on a Mercedes
- and if it fails, will provide you with a replacement and the cost of
the labor!

As to the X or lack thereof:

 A word of advice on buying a replacement compressor:
 Any one you get that does NOT come from Mercedes will have the front
bearing
 cover installed UPSIDE DOWN. Look at the cover on the front behind the
 clutch. It will have 4 bolts. Between 2 of the bolts will be an embossed
X.
 This is the position of the oil hole to lube the front bearing. The R4
 compressor was originally designed for GM cars with the compressor mounted
 on top of the engine. The X and the inlet/outlet port is UP. Mercedes used
 the compressor but rotated it 180 degrees and mounted it under the engine.
 This put the ports DOWN. Then they rotated the front cover so the X is UP.
 Oil does NOT flow uphill. If you use an aftermarket compressor with the X
 down, you will starve the front bearing of oil. It may last a week, a
month,
 6 months depends on the quality of the bearing they put in. 

I have received feedback on that information confirming that it is
basically correct. That DOES NOT Mean that if you mount an R-4 upside
down, it will fail prematurely - only that it is much more likely to
fail prematurely if you mount it upside down.

I have had many people dispute this and tell me that, I mounted my
compressor without an X on it and it's still working 10-15 years later.
No argument, but there really is a reason why Mercedes marked their
compressors and most of the guys I've spoken with that do this for a
living (and don't want comebacks) insure that they use compressors
configured to work on a Mercedes.

Marshall
--
Marshall Booth Ph.D.
Ass't Prof. (ret.)
Univ of Pittsburgh School of Medicine
[EMAIL PROTECTED]

Re: [MBZ] AC compressor noisy at idle

[BillR]

Thanks Jim - I'll check on the oil - but I think this was done as a first
time try by my son - I'll copy him on this and ask about the mineral oil.
Cools fine, just noisy.
BillR 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of [EMAIL PROTECTED]
Sent: Saturday, July 29, 2006 6:53 PM
To: mercedes@okiebenz.com
Subject: Re: [MBZ] AC compressor noisy at idle

 
In a message dated 7/29/2006 8:37:46 A.M. US Mountain Standard Time,
[EMAIL PROTECTED] writes:

I'm  starting to have what I think is excessive noise from the A/C
compressor on  my '81 300SD.  I am pretty sure the compressor was a reman
installed about 18 months ago.  Any recommendations for repair or
replacement?  Would I be better off with a junkyard, reman, or should  I go
for a new?  Car is quiet without the AC running, and then about  doubles the
noise with the AC, and the car tends to overheat [to high  normal] when
idling.  It is a converted system, and works fine except  for the noise when
idling [can't tell when it is at highway speeds].  
Thanks - 



Bill,
 
Noise is a symptom of low oil quantity in the system.  Have you had to
recharge the system since the compressor was put in?  If so, did you add
oil at the same time?  Oil isoften overlooked but I have not seen too many
freon leaks that didn't include a loss of oil too.
 
Or you are in the first throws of black death, which often follows a
conversion to R134 where the system was not completely flushed of mineral
oil.
 
Lets hope not the latter,  

Jim  Friesen
Phoenix AZ
79 300SD, 262 K miles
98 ML 320, 143 K  miles

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Re: [MBZ] AC compressor

[Jim Cathey]

I'm starting to have what I think is excessive noise from the A/C 
compressor

on my '81 300SD.  I am pretty sure the compressor was a reman installed
about 18 months ago.  Any recommendations for repair or replacement?  
Would
I be better off with a junkyard, reman, or should I go for a new?  Car 
is


If you DIY, my priority tree is good used, new, and reman.  
Remanufactured

R4's have a pretty bad reputation.  If it _is_ acting up, replace it now
before it fills your AC system with shrapnel, or that'll take out the
next N compressors too.  You should be able to tell just by spinning
the hub by hand, when compared to a good system.

Good used is iffy, but at $15/each at the U-Pull it's a decent gamble
if you're not paying highway robbery AC labor, and for expensive
refrigerant.

-- Jim

Re: [MBZ] AC compressor

[BillR]

Thanks Jim - I am not able to DIY, but have a good mechanic [my nephew is
service manager at a shop here in Jacksonville] who will do it right and not
overcharge me.  I trust him, but I still like to go in with an understanding
of what is going on and an idea of options.  You also answered the question
I should have asked - do it now before it blows as further damage can
result.
Thanks - BillR
Jacksonville FL
1981 300SD  277k   

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Jim Cathey
Sent: Saturday, July 29, 2006 12:43 PM
To: Mercedes Discussion List
Subject: Re: [MBZ] AC compressor

 I'm starting to have what I think is excessive noise from the A/C 
 compressor on my '81 300SD.  I am pretty sure the compressor was a 
 reman installed about 18 months ago.  Any recommendations for repair 
 or replacement?
 Would
 I be better off with a junkyard, reman, or should I go for a new?  Car 
 is

If you DIY, my priority tree is good used, new, and reman.  
Remanufactured
R4's have a pretty bad reputation.  If it _is_ acting up, replace it now
before it fills your AC system with shrapnel, or that'll take out the next N
compressors too.  You should be able to tell just by spinning the hub by
hand, when compared to a good system.

Good used is iffy, but at $15/each at the U-Pull it's a decent gamble if
you're not paying highway robbery AC labor, and for expensive refrigerant.

-- Jim


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Re: [MBZ] AC compressor noisy at idle

[JFreezn]

 
In a message dated 7/29/2006 8:37:46 A.M. US Mountain Standard Time,  
[EMAIL PROTECTED] writes:

I'm  starting to have what I think is excessive noise from the A/C compressor
on  my '81 300SD.  I am pretty sure the compressor was a reman  installed
about 18 months ago.  Any recommendations for repair or  replacement?  Would
I be better off with a junkyard, reman, or should  I go for a new?  Car is
quiet without the AC running, and then about  doubles the noise with the AC,
and the car tends to overheat [to high  normal] when idling.  It is a
converted system, and works fine except  for the noise when idling [can't
tell when it is at highway speeds].  
Thanks - 



Bill,
 
Noise is a symptom of low oil quantity in the system.  Have you had to  
recharge the system since the compressor was put in?  If so, did you add  oil 
at 
the same time?  Oil isoften overlooked but I have not seen too many  freon 
leaks 
that didn't include a loss of oil too.
 
Or you are in the first throws of black death, which often follows a  
conversion to R134 where the system was not completely flushed of mineral  oil.
 
Lets hope not the latter,  

Jim  Friesen
Phoenix AZ
79 300SD, 262 K miles 
98 ML 320, 143 K  miles

Re: [MBZ] AC Compressor issue?

[Kaleb C. Striplin]

Uh, well, if the compressor is not kicking in, then how do you know what 
the pressure is?  The low side will be high when the thing is not 
running because it will be equalized with the high side.


Levi Smith wrote:


OK, so my 83' 300D didn't have any R134 left in it when I tried it this
spring.  I put in a few cans and it was working about as well as last year
(it provides SOME cooling at highway speeds).  Then it wasn't working again
a week or so ago.  I figured it had leaked out again, so I figured I would
try one more time and see if it still leaked out.

Well, I put my gauge (cheapy low side only) on and it hissed at me and the
gauge read way up into the danger zone (70-90psi maybe?)  but the compressor
clutch wasn't engaging...

I tried letting some pressure out thinking maybe it was too much pressure,
but it seemed as though basically I could let the pressure to the normal
level, and then it would almost immediately build back up to the danger
pressure.  I'm assuming perhaps this is just the way it works when going
through the expansion valve without the compressor running?  Or is this a
sign of some other problem?

What else should I look for to get the compressor clutch engaging?
How likely is it that the clutch itself is dead?
Should I try applying 12v to the clutch terminals and be able to see it
engage?  (preferably without the engine spinning).
The blower fan is still working, so I'm assuming there's no fuse issue
concerning the clutch...

Thanks!
Levi
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--
Kaleb C. Striplin/Claremore, OK
 91 300D 2.5 Turbo, 90 420SEL, 89 560SEL, 87 420SEL, 87 300SDL,
 85 380SE, 85 300D, 84 190D 2.2, 83 300TD, 81 300TD, 81 240D,
 76 240D, 76 300D, 74 240D, 73 280SEL 4.5, 72 250C, 69 250
http://www.striplin.net

Re: [MBZ] AC Compressor issue?

[Levi Smith]

Yeah, that was the first question I had was for sure that the pressure would
be high without the compressor running.  So, now I just need to figure out
why the compressor's not kicking in...


On 6/19/06, Kaleb C. Striplin [EMAIL PROTECTED] wrote:


Uh, well, if the compressor is not kicking in, then how do you know what
the pressure is?  The low side will be high when the thing is not
running because it will be equalized with the high side.

Levi Smith wrote:

 OK, so my 83' 300D didn't have any R134 left in it when I tried it this
 spring.  I put in a few cans and it was working about as well as last
year
 (it provides SOME cooling at highway speeds).  Then it wasn't working
again
 a week or so ago.  I figured it had leaked out again, so I figured I
would
 try one more time and see if it still leaked out.

 Well, I put my gauge (cheapy low side only) on and it hissed at me and
the
 gauge read way up into the danger zone (70-90psi maybe?)  but the
compressor
 clutch wasn't engaging...

 I tried letting some pressure out thinking maybe it was too much
pressure,
 but it seemed as though basically I could let the pressure to the
normal
 level, and then it would almost immediately build back up to the danger
 pressure.  I'm assuming perhaps this is just the way it works when going
 through the expansion valve without the compressor running?  Or is this
a
 sign of some other problem?

 What else should I look for to get the compressor clutch engaging?
 How likely is it that the clutch itself is dead?
 Should I try applying 12v to the clutch terminals and be able to see it
 engage?  (preferably without the engine spinning).
 The blower fan is still working, so I'm assuming there's no fuse issue
 concerning the clutch...

 Thanks!
 Levi
 ___
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--
Kaleb C. Striplin/Claremore, OK
  91 300D 2.5 Turbo, 90 420SEL, 89 560SEL, 87 420SEL, 87 300SDL,
  85 380SE, 85 300D, 84 190D 2.2, 83 300TD, 81 300TD, 81 240D,
  76 240D, 76 300D, 74 240D, 73 280SEL 4.5, 72 250C, 69 250
http://www.striplin.net

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Re: [MBZ] AC Compressor issue?

[Robert Tara Ludwick]

A bit confusing here, but did the compressor actually start turning or not?
If not, the low side would read high when not running, if low side is 
reading high when running, either it's overcharged, or you have a bum 
expansion valve /orfice tube depending on the setup.


---Robert

Levi Smith wrote:

OK, so my 83' 300D didn't have any R134 left in it when I tried it this
spring.  I put in a few cans and it was working about as well as last year
(it provides SOME cooling at highway speeds).  Then it wasn't working again
a week or so ago.  I figured it had leaked out again, so I figured I would
try one more time and see if it still leaked out.

Well, I put my gauge (cheapy low side only) on and it hissed at me and the
gauge read way up into the danger zone (70-90psi maybe?)  but the compressor
clutch wasn't engaging...

I tried letting some pressure out thinking maybe it was too much pressure,
but it seemed as though basically I could let the pressure to the normal
level, and then it would almost immediately build back up to the danger
pressure.  I'm assuming perhaps this is just the way it works when going
through the expansion valve without the compressor running?  Or is this a
sign of some other problem?

What else should I look for to get the compressor clutch engaging?
How likely is it that the clutch itself is dead?
Should I try applying 12v to the clutch terminals and be able to see it
engage?  (preferably without the engine spinning).
The blower fan is still working, so I'm assuming there's no fuse issue
concerning the clutch...

Thanks!
Levi
___
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Re: [MBZ] AC Compressor issue?

[Levi Smith]

Sorry, the belt is turning on the compressor.  However, the clutch is not
engaged so the compressor is NOT actually turning.  So it IS normal for the
low side to be high pressure when th compressor is NOT running.

So the question is where to look for other reasons that the clutch isn't
engaging?

Thanks,
Levi

On 6/19/06, Robert  Tara Ludwick [EMAIL PROTECTED] wrote:


A bit confusing here, but did the compressor actually start turning or
not?
If not, the low side would read high when not running, if low side is
reading high when running, either it's overcharged, or you have a bum
expansion valve /orfice tube depending on the setup.

---Robert

Levi Smith wrote:
 OK, so my 83' 300D didn't have any R134 left in it when I tried it this
 spring.  I put in a few cans and it was working about as well as last
year
 (it provides SOME cooling at highway speeds).  Then it wasn't working
again
 a week or so ago.  I figured it had leaked out again, so I figured I
would
 try one more time and see if it still leaked out.

 Well, I put my gauge (cheapy low side only) on and it hissed at me and
the
 gauge read way up into the danger zone (70-90psi maybe?)  but the
compressor
 clutch wasn't engaging...

 I tried letting some pressure out thinking maybe it was too much
pressure,
 but it seemed as though basically I could let the pressure to the
normal
 level, and then it would almost immediately build back up to the danger
 pressure.  I'm assuming perhaps this is just the way it works when going
 through the expansion valve without the compressor running?  Or is this
a
 sign of some other problem?

 What else should I look for to get the compressor clutch engaging?
 How likely is it that the clutch itself is dead?
 Should I try applying 12v to the clutch terminals and be able to see it
 engage?  (preferably without the engine spinning).
 The blower fan is still working, so I'm assuming there's no fuse issue
 concerning the clutch...

 Thanks!
 Levi
 ___
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 For new parts see official list sponsor: http://www.buymbparts.com/
 For used parts email [EMAIL PROTECTED]

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Re: [MBZ] AC Compressor issue?

[Potter, Tom E]

Is power (12 Volts) getting to the clutch?

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Levi Smith
Sent: Monday, June 19, 2006 1:18 PM
To: [EMAIL PROTECTED]; Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor issue?

Sorry, the belt is turning on the compressor.  However, the clutch is
not
engaged so the compressor is NOT actually turning.  So it IS normal for
the
low side to be high pressure when th compressor is NOT running.

So the question is where to look for other reasons that the clutch isn't
engaging?

Thanks,
Levi

On 6/19/06, Robert  Tara Ludwick [EMAIL PROTECTED] wrote:

 A bit confusing here, but did the compressor actually start turning or
 not?
 If not, the low side would read high when not running, if low side is
 reading high when running, either it's overcharged, or you have a bum
 expansion valve /orfice tube depending on the setup.

 ---Robert

 Levi Smith wrote:
  OK, so my 83' 300D didn't have any R134 left in it when I tried it
this
  spring.  I put in a few cans and it was working about as well as
last
 year
  (it provides SOME cooling at highway speeds).  Then it wasn't
working
 again
  a week or so ago.  I figured it had leaked out again, so I figured I
 would
  try one more time and see if it still leaked out.
 
  Well, I put my gauge (cheapy low side only) on and it hissed at me
and
 the
  gauge read way up into the danger zone (70-90psi maybe?)  but the
 compressor
  clutch wasn't engaging...
 
  I tried letting some pressure out thinking maybe it was too much
 pressure,
  but it seemed as though basically I could let the pressure to the
 normal
  level, and then it would almost immediately build back up to the
danger
  pressure.  I'm assuming perhaps this is just the way it works when
going
  through the expansion valve without the compressor running?  Or is
this
 a
  sign of some other problem?
 
  What else should I look for to get the compressor clutch engaging?
  How likely is it that the clutch itself is dead?
  Should I try applying 12v to the clutch terminals and be able to see
it
  engage?  (preferably without the engine spinning).
  The blower fan is still working, so I'm assuming there's no fuse
issue
  concerning the clutch...
 
  Thanks!
  Levi
  ___
  http://www.okiebenz.com
  For new parts see official list sponsor: http://www.buymbparts.com/
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Re: [MBZ] AC Compressor issue?

[Robert Tara Ludwick]

Yes, jump the wire to the clutch , it sould make a firm click when it 
engages , let it run on high for a few minutes and then check the pressure.
Obviously, if you jump the wire and the clutch does not engage then the 
problem is mechanical.


--Robert

Levi Smith wrote:

That was the next thing I wanted to verify.  The clutch is simply a 12v
electromagnet, correct?  So I should see 12V coming in on the connector, and
if I put an external 12v source to the compressor I should notice the clutch
moving, correct?

Thanks,
Levi

On 6/19/06, Potter, Tom E [EMAIL PROTECTED] wrote:
  

Is power (12 Volts) getting to the clutch?

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Levi Smith
Sent: Monday, June 19, 2006 1:18 PM
To: [EMAIL PROTECTED]; Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor issue?

Sorry, the belt is turning on the compressor.  However, the clutch is
not
engaged so the compressor is NOT actually turning.  So it IS normal for
the
low side to be high pressure when th compressor is NOT running.

So the question is where to look for other reasons that the clutch isn't
engaging?

Thanks,
Levi

On 6/19/06, Robert  Tara Ludwick [EMAIL PROTECTED] wrote:


A bit confusing here, but did the compressor actually start turning or
not?
If not, the low side would read high when not running, if low side is
reading high when running, either it's overcharged, or you have a bum
expansion valve /orfice tube depending on the setup.

---Robert

Levi Smith wrote:
  

OK, so my 83' 300D didn't have any R134 left in it when I tried it


this


spring.  I put in a few cans and it was working about as well as


last


year
  

(it provides SOME cooling at highway speeds).  Then it wasn't


working


again
  

a week or so ago.  I figured it had leaked out again, so I figured I


would
  

try one more time and see if it still leaked out.

Well, I put my gauge (cheapy low side only) on and it hissed at me


and


the
  

gauge read way up into the danger zone (70-90psi maybe?)  but the


compressor
  

clutch wasn't engaging...

I tried letting some pressure out thinking maybe it was too much


pressure,
  

but it seemed as though basically I could let the pressure to the


normal
  

level, and then it would almost immediately build back up to the


danger


pressure.  I'm assuming perhaps this is just the way it works when


going


through the expansion valve without the compressor running?  Or is


this


a
  

sign of some other problem?

What else should I look for to get the compressor clutch engaging?
How likely is it that the clutch itself is dead?
Should I try applying 12v to the clutch terminals and be able to see


it


engage?  (preferably without the engine spinning).
The blower fan is still working, so I'm assuming there's no fuse


issue


concerning the clutch...

Thanks!
Levi
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Re: [MBZ] AC Compressor issue?

[Potter, Tom E]

I am assuming this is the GM style compressor. The clutch is truly just
an electromagnet. There should be a two-wire connector to the clutch.
One should be 12 volts with the ignition switch in ON position; the
other leads to ground through the switching system.

Pull the two-wire connector off the clutch and check to see if you have
12 volts to it with the ignition switch in the ON position. Check the
other lead to see if it goes to ground.

If the leads check out, test the clutch. Connect a jumper wire from the
battery to the clutch connector that the live lead was on. Connect
another jumper wire to the other connector and touch one end to a good
ground. If the clutch is OK, it will engage. You will hear a CLACK when
it engages.

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Levi Smith
Sent: Monday, June 19, 2006 1:27 PM
To: Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor issue?

That was the next thing I wanted to verify.  The clutch is simply a 12v
electromagnet, correct?  So I should see 12V coming in on the connector,
and
if I put an external 12v source to the compressor I should notice the
clutch
moving, correct?

Thanks,
Levi

On 6/19/06, Potter, Tom E [EMAIL PROTECTED] wrote:

 Is power (12 Volts) getting to the clutch?

 Tom Potter

 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Levi Smith
 Sent: Monday, June 19, 2006 1:18 PM
 To: [EMAIL PROTECTED]; Mercedes Discussion List
 Subject: Re: [MBZ] AC Compressor issue?

 Sorry, the belt is turning on the compressor.  However, the clutch is
 not
 engaged so the compressor is NOT actually turning.  So it IS normal
for
 the
 low side to be high pressure when th compressor is NOT running.

 So the question is where to look for other reasons that the clutch
isn't
 engaging?

 Thanks,
 Levi

 On 6/19/06, Robert  Tara Ludwick [EMAIL PROTECTED] wrote:
 
  A bit confusing here, but did the compressor actually start turning
or
  not?
  If not, the low side would read high when not running, if low side
is
  reading high when running, either it's overcharged, or you have a
bum
  expansion valve /orfice tube depending on the setup.
 
  ---Robert
 
  Levi Smith wrote:
   OK, so my 83' 300D didn't have any R134 left in it when I tried it
 this
   spring.  I put in a few cans and it was working about as well as
 last
  year
   (it provides SOME cooling at highway speeds).  Then it wasn't
 working
  again
   a week or so ago.  I figured it had leaked out again, so I figured
I
  would
   try one more time and see if it still leaked out.
  
   Well, I put my gauge (cheapy low side only) on and it hissed at me
 and
  the
   gauge read way up into the danger zone (70-90psi maybe?)  but the
  compressor
   clutch wasn't engaging...
  
   I tried letting some pressure out thinking maybe it was too much
  pressure,
   but it seemed as though basically I could let the pressure to the
  normal
   level, and then it would almost immediately build back up to the
 danger
   pressure.  I'm assuming perhaps this is just the way it works when
 going
   through the expansion valve without the compressor running?  Or is
 this
  a
   sign of some other problem?
  
   What else should I look for to get the compressor clutch engaging?
   How likely is it that the clutch itself is dead?
   Should I try applying 12v to the clutch terminals and be able to
see
 it
   engage?  (preferably without the engine spinning).
   The blower fan is still working, so I'm assuming there's no fuse
 issue
   concerning the clutch...
  
   Thanks!
   Levi
   ___
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http://www.buymbparts.com/
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   To Unsubscribe or change delivery options go to:
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Re: [MBZ] AC Compressor issue?

[LarryT]

There should be a 12v wire going into the back of the clutch housing.  I had 
the wire break off inside the clutch once and had to replace the wire - it's 
been 10+ years and I believe I may have replaced the clutch with one from 
AdvanceAuto -


I think I kept the clutch because it was a special order and I didn;t 
discover the broken wire until I'd picked up the replacement clutch.  (IIRC)


Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
Weber Carb Info http://members.rennlist.com/webercarbs
- Original Message - 
From: Levi Smith [EMAIL PROTECTED]

To: Mercedes Discussion List Mercedes@okiebenz.com
Sent: Monday, June 19, 2006 2:26 PM
Subject: Re: [MBZ] AC Compressor issue?



That was the next thing I wanted to verify.  The clutch is simply a 12v
electromagnet, correct?  So I should see 12V coming in on the connector, 
and
if I put an external 12v source to the compressor I should notice the 
clutch

moving, correct?

Thanks,
Levi

On 6/19/06, Potter, Tom E [EMAIL PROTECTED] wrote:


Is power (12 Volts) getting to the clutch?

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Levi Smith
Sent: Monday, June 19, 2006 1:18 PM
To: [EMAIL PROTECTED]; Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor issue?

Sorry, the belt is turning on the compressor.  However, the clutch is
not
engaged so the compressor is NOT actually turning.  So it IS normal for
the
low side to be high pressure when th compressor is NOT running.

So the question is where to look for other reasons that the clutch isn't
engaging?

Thanks,
Levi

On 6/19/06, Robert  Tara Ludwick [EMAIL PROTECTED] wrote:

 A bit confusing here, but did the compressor actually start turning or
 not?
 If not, the low side would read high when not running, if low side is
 reading high when running, either it's overcharged, or you have a bum
 expansion valve /orfice tube depending on the setup.

 ---Robert

 Levi Smith wrote:
  OK, so my 83' 300D didn't have any R134 left in it when I tried it
this
  spring.  I put in a few cans and it was working about as well as
last
 year
  (it provides SOME cooling at highway speeds).  Then it wasn't
working
 again
  a week or so ago.  I figured it had leaked out again, so I figured I
 would
  try one more time and see if it still leaked out.
 
  Well, I put my gauge (cheapy low side only) on and it hissed at me
and
 the
  gauge read way up into the danger zone (70-90psi maybe?)  but the
 compressor
  clutch wasn't engaging...
 
  I tried letting some pressure out thinking maybe it was too much
 pressure,
  but it seemed as though basically I could let the pressure to the
 normal
  level, and then it would almost immediately build back up to the
danger
  pressure.  I'm assuming perhaps this is just the way it works when
going
  through the expansion valve without the compressor running?  Or is
this
 a
  sign of some other problem?
 
  What else should I look for to get the compressor clutch engaging?
  How likely is it that the clutch itself is dead?
  Should I try applying 12v to the clutch terminals and be able to see
it
  engage?  (preferably without the engine spinning).
  The blower fan is still working, so I'm assuming there's no fuse
issue
  concerning the clutch...
 
  Thanks!
  Levi
  ___
  http://www.okiebenz.com
  For new parts see official list sponsor: http://www.buymbparts.com/
  For used parts email [EMAIL PROTECTED]
 
  To Unsubscribe or change delivery options go to:
  http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
 
 
 


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Re: [MBZ] AC Compressor 81 300SD

[MICHAEL ESH]

Thanks everyone.  I will be calling Rusty tomorrow to spend some money on a 
new compressor.

Mike
- Original Message - 
From: Rusty Cullens [EMAIL PROTECTED]

To: 'Mercedes Discussion List' [EMAIL PROTECTED]
Sent: Tuesday, May 02, 2006 1:00 PM
Subject: Re: [MBZ] AC Compressor 81 300SD



$252.00 from Rusty. You do NOT want a reman, they suck.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of MICHAEL ESH
Sent: Tuesday, May 02, 2006 7:05 AM
To: Mercedes Discussion List
Subject: [MBZ] AC Compressor 81 300SD

Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81
300SD.  I have read in previous posts GM compressors will work. Is there
an part # I need?   I am putting an order together for Rusty, is this an
item he could supply or am I better off buying local?
I plan on driving this beautiful machine for many years and want to make
sure I am using good quality parts.  Should I go with new or rebuilt.

Thanks,
Mike in Michigan, where the summer heat won't get you but the humidity
is a killer.
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Re: [MBZ] AC Compressor 81 300SD

[Loren Faeth]

Rusty had a sale on em last fall.  Give him a call and see what he will 
do.  If you plan to keep the car, you are better off to buy new.  They tend 
to last longer.


At 06:04 AM 5/2/2006, you wrote:

Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81 
300SD.  I have read in previous posts GM compressors will work. Is there 
an part # I need?   I am putting an order together for Rusty, is this an 
item he could supply or am I better off buying local?
I plan on driving this beautiful machine for many years and want to make 
sure I am using good quality parts.  Should I go with new or rebuilt.


Thanks,
Mike in Michigan, where the summer heat won't get you but the humidity is 
a killer.

___
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Re: [MBZ] AC Compressor 81 300SD

[Potter, Tom E]

It is the same Frigidaire R4 compressor that is used on some GM
vehicles. Check the number on your compressor. This topic has surfaced
before and the number is in the archives somewhere, I'm sure.

I was advised by knowledgeable A/C technicians to get a new compressor
as the rebuilt ones tended to leak. I took the advice, and mine was
working fine 5 years later when my '81 300D was totaled.

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of MICHAEL ESH
Sent: Tuesday, May 02, 2006 6:05 AM
To: Mercedes Discussion List
Subject: [MBZ] AC Compressor 81 300SD

Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81
300SD.  I have read in previous posts GM compressors will work. Is there
an part # I need?   I am putting an order together for Rusty, is this an
item he could supply or am I better off buying local? 
I plan on driving this beautiful machine for many years and want to make
sure I am using good quality parts.  Should I go with new or rebuilt.

Thanks,
Mike in Michigan, where the summer heat won't get you but the humidity
is a killer. 
___
http://www.striplin.net
For new parts see official list sponsor: http://www.buymbparts.com/
For used parts email [EMAIL PROTECTED]

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Re: [MBZ] AC Compressor 81 300SD

[Trampas]

Replaced mine with on from a 1985 chevy pick up. I got it from Advance for
about $100. That was last year and all is still good. Note that I had to
remove the clutch and turn the electrical connector to match old compressor.


Trampas

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Potter, Tom E
Sent: Tuesday, May 02, 2006 8:49 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor 81 300SD

It is the same Frigidaire R4 compressor that is used on some GM
vehicles. Check the number on your compressor. This topic has surfaced
before and the number is in the archives somewhere, I'm sure.

I was advised by knowledgeable A/C technicians to get a new compressor
as the rebuilt ones tended to leak. I took the advice, and mine was
working fine 5 years later when my '81 300D was totaled.

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of MICHAEL ESH
Sent: Tuesday, May 02, 2006 6:05 AM
To: Mercedes Discussion List
Subject: [MBZ] AC Compressor 81 300SD

Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81
300SD.  I have read in previous posts GM compressors will work. Is there
an part # I need?   I am putting an order together for Rusty, is this an
item he could supply or am I better off buying local? 
I plan on driving this beautiful machine for many years and want to make
sure I am using good quality parts.  Should I go with new or rebuilt.

Thanks,
Mike in Michigan, where the summer heat won't get you but the humidity
is a killer. 
___
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For new parts see official list sponsor: http://www.buymbparts.com/
For used parts email [EMAIL PROTECTED]

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Re: [MBZ] AC Compressor 81 300SD

[Jim Cathey]

What can I expect to pay for a new or rebuilt  AC Compressor for my 81 
300SD.  I have read in previous posts GM compressors will work.


IIRC, there are right-side-up and upside-down R4 compressors out there,
something to do with the internal oil pickup.  Make sure you get the
right one!  'Lefties' have a big X on them?

-- Jim

Re: [MBZ] AC Compressor 81 300SD

[Kaleb C. Striplin]

You just have to make sure the compressor is metric, and designed to run 
upside down.  a GM compressor just turned upside down to fit will not 
last long.


MICHAEL ESH wrote:


Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81 300SD.  I have read in previous posts GM compressors will work. Is there an part # I need?   I am putting an order together for Rusty, is this an item he could supply or am I better off buying local? 
I plan on driving this beautiful machine for many years and want to make sure I am using good quality parts.  Should I go with new or rebuilt.


Thanks,
Mike in Michigan, where the summer heat won't get you but the humidity is a killer. 
___

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--
Kaleb C. Striplin/Claremore, OK
 90 420SEL, 89 560SEL, 87 420SEL, 87 300SDL, 85 380SE,
 85 300D, 84 190D 2.2, 83 300TD, 81 300TD, 81 240D,
 76 240D, 76 300D, 74 240D, 73 280SEL 4.5, 72 250C, 69 250
http://www.striplin.net

Re: [MBZ] AC Compressor 81 300SD

[Marshall Booth]

MICHAEL ESH wrote:

Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81 300SD.  I have read in previous posts GM compressors will work. Is there an part # I need?   I am putting an order together for Rusty, is this an item he could supply or am I better off buying local? 
I plan on driving this beautiful machine for many years and want to make sure I am using good quality parts.  Should I go with new or rebuilt.


A new compressor should be less than $300. Don't even consider a rebuilt 
(most don't even last out the warranty). Be sure to buy from a supplier 
that is VERY familiar with Mercedes as some seemingly identical Delco 
R-4 compressors won't survive on a Mercedes.


Marshall
--
  Marshall Booth (who doesn't respond to unsigned questions)
  der Dieseling Doktor [EMAIL PROTECTED]
'87 300TD 182Kmi, '85 190D 2.0 161Kmi, '87 190D 2.5 turbo 237kmi, '84 
190D 2.2 229Kmi (retired)

Re: [MBZ] AC Compressor 81 300SD

[Rusty Cullens]

$252.00 from Rusty. You do NOT want a reman, they suck.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of MICHAEL ESH
Sent: Tuesday, May 02, 2006 7:05 AM
To: Mercedes Discussion List
Subject: [MBZ] AC Compressor 81 300SD

Good Morning Everyone,
What can I expect to pay for a new or rebuilt  AC Compressor for my 81
300SD.  I have read in previous posts GM compressors will work. Is there
an part # I need?   I am putting an order together for Rusty, is this an
item he could supply or am I better off buying local? 
I plan on driving this beautiful machine for many years and want to make
sure I am using good quality parts.  Should I go with new or rebuilt.

Thanks,
Mike in Michigan, where the summer heat won't get you but the humidity
is a killer. 
___
http://www.striplin.net
For new parts see official list sponsor: http://www.buymbparts.com/
For used parts email [EMAIL PROTECTED]

To Unsubscribe or change delivery options go to:
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Re: [MBZ] AC Compressor 81 300SD

[Potter, Tom E]

If it is metric, does it cool only in degrees C? Is there an adapter to
make it cool in degrees F? :)

Tom Potter

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Kaleb C. Striplin
Sent: Tuesday, May 02, 2006 10:08 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] AC Compressor 81 300SD

You just have to make sure the compressor is metric, and designed to run

upside down.  a GM compressor just turned upside down to fit will not 
last long.

MICHAEL ESH wrote:

 Good Morning Everyone,
 What can I expect to pay for a new or rebuilt  AC Compressor for my 81
300SD.  I have read in previous posts GM compressors will work. Is there
an part # I need?   I am putting an order together for Rusty, is this an
item he could supply or am I better off buying local? 
 I plan on driving this beautiful machine for many years and want to
make sure I am using good quality parts.  Should I go with new or
rebuilt.
 
 Thanks,
 Mike in Michigan, where the summer heat won't get you but the humidity
is a killer. 
 ___
 http://www.striplin.net
 For new parts see official list sponsor: http://www.buymbparts.com/
 For used parts email [EMAIL PROTECTED]
 
 To Unsubscribe or change delivery options go to:
 http://striplin.net/mailman/listinfo/mercedes_striplin.net
 
 
 

-- 
Kaleb C. Striplin/Claremore, OK
  90 420SEL, 89 560SEL, 87 420SEL, 87 300SDL, 85 380SE,
  85 300D, 84 190D 2.2, 83 300TD, 81 300TD, 81 240D,
  76 240D, 76 300D, 74 240D, 73 280SEL 4.5, 72 250C, 69 250
http://www.striplin.net

___
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