[W126 Coupe] Rear End Thumping

[Jonathan]

Did you use genuine or aftermarket?  AM rubber bits don't hold up as 
well IME.

As markus mentioned, I can get you what you need..:)

Jonathan

Alexander Hochhausl wrote:

> ... or so I thought.

>

> This may help others. 

>

> Over the past few months I heard a thumping coming from the rear every

> time I accelerated from a stop (slow or fast - didn't matter) for ~ 2

> seconds. Sounded to me like muffler hitting the body.

>

> I found out it's the center bearing carrier - the rubber is ripped

> apart. So I guess when I start out it bounces around in what's left of

> the housing until the increasing rotational inertia causes it to

> stabilize (like a spinning top). Odd thing is I had no high speed

> vibrations. The bearing is located pretty far back, which made it sound

> like the sound was coming from the rear end. I'm glad it's only a $20

> problem.

>

> The mystery is that I replaced the driveshaft ~ 3 years ago, and also

> replaced the carrier (bearing and flex disks - since I was putting the

> supercharger in - I wanted no weak links), so I don't know why it's

> ripped to shreds already. The supercharger really should have no effect

> on the carrier.

>

> Has anyone else experienced a short life of this part? Maybe I got a

> cheap/defective part last time? Can anyone recommend a good source for

> this part, cause I'm not looking forward to repeating the labor in

> another 3 years.

>

> On my 380SLC I had fabricated a solid rubber carrier vs. the thin stock

> one & that lasted for ever, but I really don't want to spend the time

> doing that again.

>

> Thanks All.

>

> Alex H.

> 89' 560SEC

>

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>

>   



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