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Vibration / Knocking Under Load from centre/rear of car - Quattro

AlexGSi2000 Dec 18, 2012

  1. AlexGSi2000

    AlexGSi2000 Well-Known Member VCDS Map User

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    Hi,

    I was wondering if anyone could shed some light on an issue iv had for a while.
    Iv asked on the B6 forum but nobody could put their finger on it, just wondering if anyone with a B5 has had the same issue.

    Basically its a constant knocking/vibration coming from the centre/rear of the car when under full load usually in the lower gears.
    The car is a 2.5TDi Quattro - I have suspicions that it may be propshaft related?

    I have taken an MP3 of the sound its making (the link shows its a video but its just the name)
    The recording was taken in 3rd under full load.

    http://www.freefilehosting.net/video0026

    Many thanks!
     
  2. AR-rkon

    AR-rkon Mod back in a "B" Staff Member Moderator Regional Rep Team V6 Team Silver Audi A6 Audi A4 Audi Avant Owner Group

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    If I remember correctly, the centre support bearing fails. Sounds a lot like that, Possibly worth starting there?

    Middle support in this picture:
    [​IMG]
     
  3. robrml

    robrml New Member

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    I think I may have this issue too.

    Does it seem worse (this may sound crazy) when you drive in the rain/roads are wet?
     
  4. spartacus 68

    spartacus 68 Active Member quattro Audi A2 Audi Avant Owner Group

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