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Thread: Rear diff whine 5 years after rebuild

  1. #1
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    Rear diff whine 5 years after rebuild

    I have a whine from the rear diff on a standard 500e (1991) five years ago it was refurbished and now it has started to whine again
    1.Should I replace it with the Wavetrac or have it stripped down again and rebuilt
    All advice please

  2. #2
    .036 Hoonigan™
    E500E Boffin
    gsxr's Avatar
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    Re: Rear diff whine 5 years after rebuild

    Do you know what exactly was done 5 years ago that made the whine go away? What was replaced, etc?

    Replacing the ring gear carrier (i.e., Wavetrac) will probably not make any difference. I believe the whine is caused by either bearings, or out-of-tolerance clearance between the ring gear & pinion. Diff whine is not a common problem on the 210mm diffs, so I'm not sure what's going on with yours.

    Dave M.
    1997 E420 (Bugeyes)
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  3. #3
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    Re: Rear diff whine 5 years after rebuild

    Quote Originally Posted by gsxr View Post
    Do you know what exactly was done 5 years ago that made the whine go away? What was replaced, etc?
    I was told that it was completely rebuilt but I have my doubts as the problem has recurred so I think I will take it out and have it rebuilt
    to as new unless if an original is still available through Mercedes

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