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Squeaky Rattle from Back (S3)

g60leigh Apr 26, 2010

  1. g60leigh

    g60leigh Well-Known Member

    Help please guys.
    I have developed an odd squeaky rattle coming from the back of my car, it starts when I hit about 70mph and gets louder as i accelerate then goes off when I take my foot off.
    at first I thought it was the polystyrene tool holder in the spare wheel but I have eliminated that,
    then thought it could be the heat shield around the back box as that had become slightly loose, I have added some penny washers to the nuts on this to tighten it right up but the noise is still there, it sounds like light gauge metal scraping/rattling against the underbody.

    I am slightly concerned it could be a problem with the rear diff as it is coming from aprox that area (at least thats what it sounds like from the driver seat)

    has anyone else had something similar and can give me a heads up where to look next?


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