It's vibrating when you apply the pedal and still doing it when the
car's not moving? 

I would have guessed a colapsed motor mount & the reverse torque on the
engine that's being applied while your foot is off the accelerator was
causing the metal parts to meet & caused the vibration. But you repleced
the mounts.

Any chance that the 2 small screws that hold the mounts to the sub-frame
are not properly tightened?

Tom
www.kegkits.com

----Original Message----
From: Redghost <[EMAIL PROTECTED]>
Sent: 10/16/07 10:48 PM
To: Mercedes Discussion List <mercedes@okiebenz.com>
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
I thought that, but it is persistent while stopped, not just at  
engagement.  I have new engine & transmission mounts which cured the  
previous shakes.  There is some rattle transmitted to the dash and  
steering wheel

clay


On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

> Since the vibration is related to pressing the brake pedal, the issue
> must be one or both warped rotors.
>
> Tom
> www.kegkits.com
>
> ----Original Message----
> From: Redghost <[EMAIL PROTECTED]>
> Sent: 10/16/07 10:26 PM
> To: Mercedes Discussion List <mercedes@okiebenz.com>
> Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> I have a head scratcher in Gump.  The new transmission was installed
> fine, but now I have a resonance/vibration from the front end when I
> am stopped and brake pedal is depressed.  Initial vibrations starts
> at initial brake engagement and lasts until I get off the brakes.
> Transmission in neutral, idle speed.
>
> clay
>
> On 16 Oct 2007, at 07:12, Jim Cathey wrote:
>
>>> even replicate this on reverse torque ( engine driven by wheels -
>>> downhill travel even when engine switched off). The sound is quite
>>> powerfull and does not feel like a unbalanced flywheel/propshaft.
>>
>> That's a big clue.  Not for me, unfortunately, but it ought to
>> tell somebody a lot.
>>
>> If it was clutch or pilot bearing related I would expect that
>> it could be teased away by operating the clutch.  I had a car
>> with an unbalanced something, and I'd just run the clutch a few
>> times until the thing got into a sweet spot and didn't do it
>> anymore.  Until the next time you shifted up into high.
>>
>> -- Jim
>>
>>
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