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

Discussion in 'A4/S4 forum(B5 Chassis)' started by AlexGSi2000, Dec 18, 2012.

  1. AlexGSi2000
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    AlexGSi2000 Well-Known Member

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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!
    #1
  2. Arrkon
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    Arrkon Midlands regional Moderator Regional Rep

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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]
    #2
  3. robrml
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    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?
    #3
  4. spartacus 68
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    spartacus 68 Member

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    #4

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