Re: [MBZ] overheating woes

[Hans Neureiter]

Tell my Ex Hi.

On Sun, Jul 1, 2012 at 1:15 AM, Rick Hawkins Java  wrote:

> ok
>
> my daughter helped me holding a flashlight in the dark ( it's now a chilly
> 83 at 2 am) and i reinstalled the thermostat.
>
> I installed a new upper radiator hose which is a lot stiffer. We filled
> the block and also the hose/radiator
>
> i left the overflow tank radiator cap off  we drove it 2 or 3 miles at
> about 60 with the defrost on and got lots of heat. Then we ran the AC and
> temp was about 85 ish. Then we came home through town, cruising with the ac
> on and temp was steady.
>
> So what was wrong? probably too much air and not enough coolant.
>
> I'll let you know if it makes the 250 miles to tybee island
>
> thanks folks
>
> xx rick
>
> On Jun 30, 2012, at 10:02 PM, Craig wrote:
>
> On Sat, 30 Jun 2012 21:28:58 -0400 Rick Hawkins Java 
>> wrote:
>>
>> folks
>>>
>>> it's only 101 at almost 9 pm in athens, ga.
>>>
>>
>> Oh, my. And humid, too, I suppose. What's the dew point?
>>
>>
>> My 123, 1982 300td is overheating. Yesterday i had a flat  had 2
>>> holes in the same 80% tread tire!! Had a hole in same tire about 3
>>> weeks ago. Looked like thorns or splinters in the tire.
>>>
>>
>> That's frustrating. Was it repairable?
>>
>>
>> fixed that and put in about  5 qts of water
>>>
>>
>> Don't forget to put in antifreeze. It's anti-boil, too, and will keep you
>> from blowing off hoses and other nasty things.
>>
>>
>> when it was cool, pulled thermostat and boiled it on the stove. It
>>> opens about 1/4 inch probably at about 80c which is marked on the good
>>> german thermostat
>>>
>>> it was installed with the round disc part toward the block and the
>>> pointy end toward the radiator
>>>
>>> i assume that is correct
>>>
>>
>> That is correct. The round disk is supposed to be pushed against the
>> opening that allows flow to the block so the flow has to go to the
>> radiator instead. That's why these cars won't run with the thermostat
>> removed.
>>
>> I'm not sure how much the thermostat is supposed to open.
>>
>>
>> i noticed the upper hose was collapsed  should i replace that ...
>>> i have a couple of new big hoses
>>>
>>
>> Yes, you should replace it.
>>
>>
>> do i need to burp it or something to get more water in the system
>>>
>>
>> You do need to have the heater cores turned on when you are adding
>> coolant to the system. Having the car pointing up-hill when you are
>> topping off the cooling system doesn't hurt.
>>
>>
>> i was going to flush it with citric acid crystals that i have
>>>
>>> how much should i use?
>>>
>>
>> 100 grams per liter (10%). You must use a thermostat that has been forced
>> open with a piece of tubing while doing the flushing. (IIRC, Jim Cathey
>> uses old .38 casings.)
>>
>>
>> i need to drive it to savannah tomorrow
>>>
>>> aux fan comes on
>>>
>>
>> If it gets over 100 deg.C., the aux fan should come on.
>>
>>
>> i don't think water pump is leaking  it's only about 2 or 3 years
>>> old and fan is spinning so we can hope the viscous clutch is good
>>>
>>
>> If you turn the engine off when it's hot, the fan should stop very
>> quickly and not keep spinning. Likewise, you should hear a roar from the
>> fan when you rev a hot engine and the fan is engaged.
>>
>>
>
> __**_
> http://www.okiebenz.com
> For new and used parts go to www.okiebenz.com
> To search list archives 
> http://www.okiebenz.com/**archive/
>
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>



-- 
Hans Neureiter, Katy, TX
'82 300SD
'01 VW New Beetle 1.9L TDI
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Re: [MBZ] overheating woes

[Scott Ritchey]

At the risk of sounding pessimistic, I had an 86 Sable that overheated one
day; SWMBO was driving so I don't know technical details.  After replacing
the blown hose I experienced several other hose failures.  Eventually I just
replaced them all as a precaution and they lasted until I sold the car years
later.  I suspect steam from the original overheat compromised other hoses
on the topside of the motor.  These were aftermarket hoses and OEM Benz
hoses are better.  Still, you might want carry spares for the original hoses
and tools just in case.

-Original Message-
From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com]
On Behalf Of Max Dillon
Sent: Sunday, July 01, 2012 9:36 AM
To: Mercedes Discussion List; mercedes@okiebenz.com; macj...@aol.com
Subject: Re: [MBZ] overheating woes

Rick,

If the blown-off hose was the cause of the initial overheating, all you need
is a new thermostat.  Just one episode of overheating can kill a thermostat.

-Max

Rick Hawkins Java  wrote:

>folks
>
>it's only 101 at almost 9 pm in athens, ga.
>
>I'm running my macbook on top of a cold pack or it crashes
>
>cpu temps go up to 175 without it
>
>My 123, 1982 300td is overheating. Yesterday i had a flat  had 2  
>holes in the same 80% tread tire!! Had a hole in same tire about 3  
>weeks ago. Looked like thorns or splinters in the tire.
>
>While that was going on in the 107f yesterday, car overheated. Got up  
>to about 125 C and at the tire place i noticed some coolant on the  
>ground and the hose to the thermostat housing had blown off  and  
>hose clamp was gone
>
>fixed that and put in about  5 qts of water
>
>Today, i drove about  5 miles and temp climbed to 120c or a little more
>
>let it rest and came home
>
>when it was cool, pulled thermostat and boiled it on the stove. It  
>opens about 1/4 inch probably at about 80c which is marked on the good 
>
>german thermostat
>
>it was installed with the round disc part toward the block and the  
>pointy end toward the radiator
>
>i assume that is correct
>
>i noticed the upper hose was collapsed  should i replace that ...  
>i have a couple of new big hoses
>
>do i need to burp it or something to get more water in the system
>
>i was going to flush it with citric acid crystals that i have
>
>how much should i use?
>
>i need to drive it to savannah tomorrow
>
>aux fan comes on
>
>i don't think water pump is leaking  it's only about 2 or 3 years  
>old and fan is spinning so we can hope the viscous clutch is good
>
>ideas?
>
>email ideas directly to me since i get the list in digest form
>
>i see that at 9.30 the temp has cooled to 96f (air temp, not the car!!)
>thanks,
>
>xx rick
>Rick Hawkins
>
>www.javaphoto.com
>www.javacycles.com
>LETTERPRESSES FOR SALE
>www.ricktheprinter.com
>
>___
>http://www.okiebenz.com
>For new and used parts go to 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

-- 
Max Dillon
Charleston SC
'95 E300, '87 300TD

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Re: [MBZ] overheating woes

[Peter Frederick]

A bad radiator cap can also fail to relieve pressure, which could have  
been the cause of the loose hose.  They also fail to maintain  
pressure, which results in overheating and coolant loss when you stop.


Make sure you have proper MB coolant -- not only does it give you  
freeze and boiling point elevation, it contains anti-corrosion  
chemicals, without which you will have a digested water pump and  
radiator before too long.


One more thing -- check the coolant tank for leaks!  They tend to  
split along the mold seam, and I have had the metal ring in the neck  
where the cap fits come loose, too.


Peter

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Re: [MBZ] overheating woes

[Dan Penoff]

You should order a new radiator cap from the Q as well.  The collapsing top 
hose is an indicator that the vacuum valve on the radiator cap is not working - 
something that is not all that uncommon.

When the system cools down the valve in the radiator cap allows air to enter 
the system.  If it is not working, a vacuum is created and it usually indicated 
by collapsing hoses.

Dan


On Jul 1, 2012, at 9:36 AM, Max Dillon wrote:

> Rick,
> 
> If the blown-off hose was the cause of the initial overheating, all you need 
> is a new thermostat.  Just one episode of overheating can kill a thermostat.
> 
> -Max
> 
> Rick Hawkins Java  wrote:
> 
>> folks
>> 
>> it's only 101 at almost 9 pm in athens, ga.
>> 
>> I'm running my macbook on top of a cold pack or it crashes
>> 
>> cpu temps go up to 175 without it
>> 
>> My 123, 1982 300td is overheating. Yesterday i had a flat  had 2  
>> holes in the same 80% tread tire!! Had a hole in same tire about 3  
>> weeks ago. Looked like thorns or splinters in the tire.
>> 
>> While that was going on in the 107f yesterday, car overheated. Got up  
>> to about 125 C and at the tire place i noticed some coolant on the  
>> ground and the hose to the thermostat housing had blown off  and  
>> hose clamp was gone
>> 
>> fixed that and put in about  5 qts of water
>> 
>> Today, i drove about  5 miles and temp climbed to 120c or a little more
>> 
>> let it rest and came home
>> 
>> when it was cool, pulled thermostat and boiled it on the stove. It  
>> opens about 1/4 inch probably at about 80c which is marked on the good 
>> 
>> german thermostat
>> 
>> it was installed with the round disc part toward the block and the  
>> pointy end toward the radiator
>> 
>> i assume that is correct
>> 
>> i noticed the upper hose was collapsed  should i replace that ...  
>> i have a couple of new big hoses
>> 
>> do i need to burp it or something to get more water in the system
>> 
>> i was going to flush it with citric acid crystals that i have
>> 
>> how much should i use?
>> 
>> i need to drive it to savannah tomorrow
>> 
>> aux fan comes on
>> 
>> i don't think water pump is leaking  it's only about 2 or 3 years  
>> old and fan is spinning so we can hope the viscous clutch is good
>> 
>> ideas?
>> 
>> email ideas directly to me since i get the list in digest form
>> 
>> i see that at 9.30 the temp has cooled to 96f (air temp, not the car!!)
>> thanks,
>> 
>> xx rick
>> Rick Hawkins
>> 
>> www.javaphoto.com
>> www.javacycles.com
>> LETTERPRESSES FOR SALE
>> www.ricktheprinter.com
>> 
>> ___
>> http://www.okiebenz.com
>> For new and used parts go to 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
> 
> -- 
> Max Dillon
> Charleston SC
> '95 E300, '87 300TD
> 
> ___
> http://www.okiebenz.com
> For new and used parts go to 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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For new and used parts go to www.okiebenz.com
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Re: [MBZ] overheating woes

[Max Dillon]

Rick,

If the blown-off hose was the cause of the initial overheating, all you need is 
a new thermostat.  Just one episode of overheating can kill a thermostat.

-Max

Rick Hawkins Java  wrote:

>folks
>
>it's only 101 at almost 9 pm in athens, ga.
>
>I'm running my macbook on top of a cold pack or it crashes
>
>cpu temps go up to 175 without it
>
>My 123, 1982 300td is overheating. Yesterday i had a flat  had 2  
>holes in the same 80% tread tire!! Had a hole in same tire about 3  
>weeks ago. Looked like thorns or splinters in the tire.
>
>While that was going on in the 107f yesterday, car overheated. Got up  
>to about 125 C and at the tire place i noticed some coolant on the  
>ground and the hose to the thermostat housing had blown off  and  
>hose clamp was gone
>
>fixed that and put in about  5 qts of water
>
>Today, i drove about  5 miles and temp climbed to 120c or a little more
>
>let it rest and came home
>
>when it was cool, pulled thermostat and boiled it on the stove. It  
>opens about 1/4 inch probably at about 80c which is marked on the good 
>
>german thermostat
>
>it was installed with the round disc part toward the block and the  
>pointy end toward the radiator
>
>i assume that is correct
>
>i noticed the upper hose was collapsed  should i replace that ...  
>i have a couple of new big hoses
>
>do i need to burp it or something to get more water in the system
>
>i was going to flush it with citric acid crystals that i have
>
>how much should i use?
>
>i need to drive it to savannah tomorrow
>
>aux fan comes on
>
>i don't think water pump is leaking  it's only about 2 or 3 years  
>old and fan is spinning so we can hope the viscous clutch is good
>
>ideas?
>
>email ideas directly to me since i get the list in digest form
>
>i see that at 9.30 the temp has cooled to 96f (air temp, not the car!!)
>thanks,
>
>xx rick
>Rick Hawkins
>
>www.javaphoto.com
>www.javacycles.com
>LETTERPRESSES FOR SALE
>www.ricktheprinter.com
>
>___
>http://www.okiebenz.com
>For new and used parts go to 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

-- 
Max Dillon
Charleston SC
'95 E300, '87 300TD

___
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Re: [MBZ] overheating woes

[Dieselhead]

Sounds like it needed to be burped before, but the thermostat only 
opening 1/4 inch seems like a problem also.  As long as it is working 
right, I guess the engine is ok.  I'd be ordering a new thermostat 
from Q tomorrow to have in the glovebox just in case.





ok

my daughter helped me holding a flashlight in the dark ( it's now a 
chilly 83 at 2 am) and i reinstalled the thermostat.


I installed a new upper radiator hose which is a lot stiffer. We 
filled the block and also the hose/radiator


i left the overflow tank radiator cap off  we drove it 2 or 3 
miles at about 60 with the defrost on and got lots of heat. Then we 
ran the AC and temp was about 85 ish. Then we came home through 
town, cruising with the ac on and temp was steady.


So what was wrong? probably too much air and not enough coolant.

I'll let you know if it makes the 250 miles to tybee island

thanks folks

xx rick
On Jun 30, 2012, at 10:02 PM, Craig wrote:


On Sat, 30 Jun 2012 21:28:58 -0400 Rick Hawkins Java 
wrote:


folks

it's only 101 at almost 9 pm in athens, ga.


Oh, my. And humid, too, I suppose. What's the dew point?


My 123, 1982 300td is overheating. Yesterday i had a flat  had 2
holes in the same 80% tread tire!! Had a hole in same tire about 3
weeks ago. Looked like thorns or splinters in the tire.


That's frustrating. Was it repairable?


fixed that and put in about  5 qts of water


Don't forget to put in antifreeze. It's anti-boil, too, and will keep you
from blowing off hoses and other nasty things.


when it was cool, pulled thermostat and boiled it on the stove. It
opens about 1/4 inch probably at about 80c which is marked on the good
german thermostat

it was installed with the round disc part toward the block and the
pointy end toward the radiator

i assume that is correct


That is correct. The round disk is supposed to be pushed against the
opening that allows flow to the block so the flow has to go to the
radiator instead. That's why these cars won't run with the thermostat
removed.

I'm not sure how much the thermostat is supposed to open.


i noticed the upper hose was collapsed  should i replace that ...
i have a couple of new big hoses


Yes, you should replace it.


do i need to burp it or something to get more water in the system


You do need to have the heater cores turned on when you are adding
coolant to the system. Having the car pointing up-hill when you are
topping off the cooling system doesn't hurt.


i was going to flush it with citric acid crystals that i have

how much should i use?


100 grams per liter (10%). You must use a thermostat that has been forced
open with a piece of tubing while doing the flushing. (IIRC, Jim Cathey
uses old .38 casings.)


i need to drive it to savannah tomorrow

aux fan comes on


If it gets over 100 deg.C., the aux fan should come on.


i don't think water pump is leaking  it's only about 2 or 3 years
old and fan is spinning so we can hope the viscous clutch is good


If you turn the engine off when it's hot, the fan should stop very
quickly and not keep spinning. Likewise, you should hear a roar from the
fan when you rev a hot engine and the fan is engaged.




___
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For new and used parts go to 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



___
http://www.okiebenz.com
For new and used parts go to 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

Re: [MBZ] overheating woes

[Rick Hawkins Java]

ok

my daughter helped me holding a flashlight in the dark ( it's now a  
chilly 83 at 2 am) and i reinstalled the thermostat.


I installed a new upper radiator hose which is a lot stiffer. We  
filled the block and also the hose/radiator


i left the overflow tank radiator cap off  we drove it 2 or 3  
miles at about 60 with the defrost on and got lots of heat. Then we  
ran the AC and temp was about 85 ish. Then we came home through town,  
cruising with the ac on and temp was steady.


So what was wrong? probably too much air and not enough coolant.

I'll let you know if it makes the 250 miles to tybee island

thanks folks

xx rick
On Jun 30, 2012, at 10:02 PM, Craig wrote:


On Sat, 30 Jun 2012 21:28:58 -0400 Rick Hawkins Java 
wrote:


folks

it's only 101 at almost 9 pm in athens, ga.


Oh, my. And humid, too, I suppose. What's the dew point?



My 123, 1982 300td is overheating. Yesterday i had a flat  had 2
holes in the same 80% tread tire!! Had a hole in same tire about 3
weeks ago. Looked like thorns or splinters in the tire.


That's frustrating. Was it repairable?



fixed that and put in about  5 qts of water


Don't forget to put in antifreeze. It's anti-boil, too, and will  
keep you

from blowing off hoses and other nasty things.



when it was cool, pulled thermostat and boiled it on the stove. It
opens about 1/4 inch probably at about 80c which is marked on the  
good

german thermostat

it was installed with the round disc part toward the block and the
pointy end toward the radiator

i assume that is correct


That is correct. The round disk is supposed to be pushed against the
opening that allows flow to the block so the flow has to go to the
radiator instead. That's why these cars won't run with the thermostat
removed.

I'm not sure how much the thermostat is supposed to open.



i noticed the upper hose was collapsed  should i replace that ...
i have a couple of new big hoses


Yes, you should replace it.



do i need to burp it or something to get more water in the system


You do need to have the heater cores turned on when you are adding
coolant to the system. Having the car pointing up-hill when you are
topping off the cooling system doesn't hurt.



i was going to flush it with citric acid crystals that i have

how much should i use?


100 grams per liter (10%). You must use a thermostat that has been  
forced
open with a piece of tubing while doing the flushing. (IIRC, Jim  
Cathey

uses old .38 casings.)



i need to drive it to savannah tomorrow

aux fan comes on


If it gets over 100 deg.C., the aux fan should come on.



i don't think water pump is leaking  it's only about 2 or 3 years
old and fan is spinning so we can hope the viscous clutch is good


If you turn the engine off when it's hot, the fan should stop very
quickly and not keep spinning. Likewise, you should hear a roar from  
the

fan when you rev a hot engine and the fan is engaged.




___
http://www.okiebenz.com
For new and used parts go to www.okiebenz.com
To search list archives http://www.okiebenz.com/archive/

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Re: [MBZ] overheating woes

[Jim Cathey]

i was going to flush it with citric acid crystals that i have
how much should i use?


IIRC it's 1kg.  I used half of the 5# I bought.

http://userweb.windwireless.net/~jimc/SDLcool.html

-- Jim



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Re: [MBZ] overheating woes

[Craig]

On Sat, 30 Jun 2012 21:28:58 -0400 Rick Hawkins Java 
wrote:

> folks
> 
> it's only 101 at almost 9 pm in athens, ga.

Oh, my. And humid, too, I suppose. What's the dew point?


> My 123, 1982 300td is overheating. Yesterday i had a flat  had 2  
> holes in the same 80% tread tire!! Had a hole in same tire about 3  
> weeks ago. Looked like thorns or splinters in the tire.

That's frustrating. Was it repairable?


> fixed that and put in about  5 qts of water

Don't forget to put in antifreeze. It's anti-boil, too, and will keep you
from blowing off hoses and other nasty things.


> when it was cool, pulled thermostat and boiled it on the stove. It  
> opens about 1/4 inch probably at about 80c which is marked on the good  
> german thermostat
>
> it was installed with the round disc part toward the block and the  
> pointy end toward the radiator
> 
> i assume that is correct

That is correct. The round disk is supposed to be pushed against the
opening that allows flow to the block so the flow has to go to the
radiator instead. That's why these cars won't run with the thermostat
removed.

I'm not sure how much the thermostat is supposed to open.


> i noticed the upper hose was collapsed  should i replace that ...  
> i have a couple of new big hoses

Yes, you should replace it.


> do i need to burp it or something to get more water in the system

You do need to have the heater cores turned on when you are adding
coolant to the system. Having the car pointing up-hill when you are
topping off the cooling system doesn't hurt.


> i was going to flush it with citric acid crystals that i have
> 
> how much should i use?

100 grams per liter (10%). You must use a thermostat that has been forced
open with a piece of tubing while doing the flushing. (IIRC, Jim Cathey
uses old .38 casings.)


> i need to drive it to savannah tomorrow
> 
> aux fan comes on

If it gets over 100 deg.C., the aux fan should come on.


> i don't think water pump is leaking  it's only about 2 or 3 years  
> old and fan is spinning so we can hope the viscous clutch is good

If you turn the engine off when it's hot, the fan should stop very
quickly and not keep spinning. Likewise, you should hear a roar from the
fan when you rev a hot engine and the fan is engaged.


___
http://www.okiebenz.com
For new and used parts go to 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

[MBZ] overheating woes

[Rick Hawkins Java]

folks

it's only 101 at almost 9 pm in athens, ga.

I'm running my macbook on top of a cold pack or it crashes

cpu temps go up to 175 without it

My 123, 1982 300td is overheating. Yesterday i had a flat  had 2  
holes in the same 80% tread tire!! Had a hole in same tire about 3  
weeks ago. Looked like thorns or splinters in the tire.


While that was going on in the 107f yesterday, car overheated. Got up  
to about 125 C and at the tire place i noticed some coolant on the  
ground and the hose to the thermostat housing had blown off  and  
hose clamp was gone


fixed that and put in about  5 qts of water

Today, i drove about  5 miles and temp climbed to 120c or a little more

let it rest and came home

when it was cool, pulled thermostat and boiled it on the stove. It  
opens about 1/4 inch probably at about 80c which is marked on the good  
german thermostat


it was installed with the round disc part toward the block and the  
pointy end toward the radiator


i assume that is correct

i noticed the upper hose was collapsed  should i replace that ...  
i have a couple of new big hoses


do i need to burp it or something to get more water in the system

i was going to flush it with citric acid crystals that i have

how much should i use?

i need to drive it to savannah tomorrow

aux fan comes on

i don't think water pump is leaking  it's only about 2 or 3 years  
old and fan is spinning so we can hope the viscous clutch is good


ideas?

email ideas directly to me since i get the list in digest form

i see that at 9.30 the temp has cooled to 96f (air temp, not the car!!)
thanks,

xx rick
Rick Hawkins

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

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