Re: [MBZ] 240D alternator belt tightening

[Dimitri via Mercedes]

I’m guessing that’s what the dealer did but it didn’t last. I’m fed up with 
tightening that belt so I just bit the bullet! 

Sent from my iPhone

> On Jan 5, 2018, at 9:51 PM, Curley McLain via Mercedes 
>  wrote:
> 
> The old fashioned way to tighten an alt is to put an prybar/crowbar between 
> the block and the front of the alt.  Tension belt with the bar, and lock down 
> the alt bracket with the other hand.  I have done this on MBs with buggered 
> adjuster devices.
> 
> All the old Deetriot iron was adjusted this way.
> Your new adjuster will be nice when it is on.
>> Dimitri via Mercedes 
>> January 5, 2018 at 8:38 PM
>> The alternator belt on my 78 240D cannot be properly tightened because the 
>> “rack and pinion” teeth on the mounting bracket are all worn. This problem 
>> left me stranded on a trip from Boston to DC over a year ago. It’s an 
>> adventure I described at the time but briefly, the belt flew off on the 
>> freeway. I got towed to flaps where I replaced belt in the rain but could 
>> not adequately tighten due to worn teeth. I drove to dealer over an hour 
>> south where they took me in on an emergency basis to get me back on the 
>> road. They tightened the belt with much difficulty and would not guarantee 
>> work as parts needed replacement which they didn’t have on hand. I drove the 
>> car until a couple of weeks ago when belt loosened to the point where 
>> battery would no longer charge. I ordered new parts from classic center 
>> totaling $150. Just got them in today. Planning on installing next week when 
>> it “warms up”.
>> 
>> Sent from my iPhone
> 
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Re: [MBZ] 240D alternator belt tightening

[Rick Knoble via Mercedes]

Curley sez:

>The old fashioned way to tighten an alt is to put an prybar/crowbar
>between the block and the front of the alt. 

My first car broke an alternator bolt and I ended up
hammering a block of wood between the engine
block and alternator

Rick
Who can't believe that was 43 years ago...
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Re: [MBZ] 240D alternator belt tightening

[Curley McLain via Mercedes]

The old fashioned way to tighten an alt is to put an prybar/crowbar 
between the block and the front of the alt.  Tension belt with the bar, 
and lock down the alt bracket with the other hand.  I have done this on 
MBs with buggered adjuster devices.


All the old Deetriot iron was adjusted this way.
Your new adjuster will be nice when it is on.

Dimitri via Mercedes 
January 5, 2018 at 8:38 PM
The alternator belt on my 78 240D cannot be properly tightened because 
the “rack and pinion” teeth on the mounting bracket are all worn. This 
problem left me stranded on a trip from Boston to DC over a year ago. 
It’s an adventure I described at the time but briefly, the belt flew 
off on the freeway. I got towed to flaps where I replaced belt in the 
rain but could not adequately tighten due to worn teeth. I drove to 
dealer over an hour south where they took me in on an emergency basis 
to get me back on the road. They tightened the belt with much 
difficulty and would not guarantee work as parts needed replacement 
which they didn’t have on hand. I drove the car until a couple of 
weeks ago when belt loosened to the point where battery would no 
longer charge. I ordered new parts from classic center totaling $150. 
Just got them in today. Planning on installing next week when it 
“warms up”.


Sent from my iPhone


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[MBZ] 240D alternator belt tightening

[Dimitri via Mercedes]

The alternator belt on my 78 240D cannot be properly tightened because the 
“rack and pinion” teeth on the mounting bracket are all worn. This problem left 
me stranded on a trip from Boston to DC over a year ago. It’s an adventure I 
described at the time but briefly, the belt flew off on the freeway. I got 
towed to flaps where I replaced belt in the rain but could not adequately 
tighten due to worn teeth. I drove to dealer over an hour south where they took 
me in on an emergency basis  to get me back on the road. They tightened the 
belt with much difficulty and would not guarantee work as parts needed 
replacement which they didn’t have on hand. I drove the car until a couple of 
weeks ago when belt loosened to the point where battery would no longer charge. 
I ordered new parts from classic center totaling $150. Just got them in today. 
Planning on installing next week when it “warms up”.

Sent from my iPhone

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