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Horrible noise on fast acceleration

Discussion in 'A4/S4 forum(B5 Chassis)' started by steady jay, Oct 14, 2012.

  1. steady jay

    steady jay Member

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    As title difficult to explain the noise but definatly not healthy, only happens on full boost in 1st and 2nd. F**ked engine mount maybe?
     
  2. Artimus

    Artimus Shortback

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    ???not if it's coming from the roof & sounds like a squashed chicken, mate. :p

    a bit more detail on the noise would help.
     
    #2 Artimus, Oct 14, 2012
    Last edited: Oct 14, 2012
  3. hades-

    hades- Yorkshire & Humber Rep.
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    Turbo
    tyres
    water pump
    cams
    brakes
    bearings
    alt
    etc etc.
     
  4. steady jay

    steady jay Member

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    Metal binding metal. N/S/F of the car
     
  5. hades-

    hades- Yorkshire & Humber Rep.
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    wheel bearing
    turbo
    try to explain the sound.
     
  6. Alex C

    Alex C Well-Known Member
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    high pitched?
     
  7. hades-

    hades- Yorkshire & Humber Rep.
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    dentist drill ?
    im thinking turbo.
     
  8. steady jay

    steady jay Member

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    I meant passenger side, always get O/S and N/S mixed up. It'll only happen briefly when on peak boost around 3.5k revs but as said only in 1st and 2nd. best I can explain it is it's like a judder noise.
     
  9. steady jay

    steady jay Member

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    No mate quite a deep noise
     
  10. hades-

    hades- Yorkshire & Humber Rep.
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    Metal binding metal ?
    judder noise ?
    best thing is record said noise or take it to a garage.
     
  11. Artimus

    Artimus Shortback

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    clutch slipping?
     
  12. Bradderz_1988

    Bradderz_1988 Dont replace it, Upgrade it !!

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    It will be your 1/2nd syncro hows the gears from cold are they quite stiff difficulty selecting 2nd from cold if so i have the same problem you can hear it slightly at idle then if you slowly dip the clutch you hear the noise disappear, it could be something else im just going off my symptoms which i the the syncro meshs are goosed on my 1/2nd syncro hub !! I just live with it, for now that is lol
     
  13. steady jay

    steady jay Member

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    Was thinking its gearbox related as it remapped with 168,000 miles I reckon it's has quite a few full throttle starts and 1st/2nd just can't can't any more abuse. I'll just live with it till it dies. Then strip the car...
     
  14. shaggy0072

    shaggy0072 New Member

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    Try the carrier bearing on the drive shaft. It made on helluva shudder, and it was centralized in the car. You could feel it right under the arm rest... It didn't do it all the time. I guess it just went haywire when you upset it. Tried to get a bearing from the dealership with no luck. They wanted to sell me the entire drive shaft assembly for $1200. 034 motorsport sells just the bearing. Hope this helps.
     

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