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Transmission Noise when Decelerating

Discussion in 'A3/S3 Forum (8L Chassis)' started by metricspaces, Jan 4, 2010.

  1. metricspaces

    metricspaces Member

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    Just wondering has anyone ever experienced this or have they any idea of what may be causing it...

    I've noticed when I lift of the gas and the car is decelerating that I get a loud buzzing\humming noise from the front of the car on the passenger side.

    The noise always comes in when decelerating, and always at 35 MPH...by the time i reach 30MPH the noise is gone.

    The noise happens regardless of whether I'm in or out of gear.

    Any ideas?
     
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  3. marcyp

    marcyp Only me

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    what car is it?
    s3/a3 quattro system can make a noise if tyre treads are diffent by a few mm, and also if the tyre pressures are out they would be the easyest things to check first
     
  4. Terrier QTS

    Terrier QTS Member

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    mine used to do the same from 50 to 40mph, I was running crappy full run tyres. Changed to Falken 452s and problem solved
     
  5. metricspaces

    metricspaces Member

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    Oopps...forgot to mention, it's a 1999 S3.

    The noise isn't coming from the tyres, as it is still there when she's up on the ramp.

    I recently got my suspension upgraded...bielstein, h&r 25mm, H&R arbs, Forge rear adjustable tie bars.

    I also changed the haldex oil and filter about three months ago.

    Any ideas anyone?
     
  6. metricspaces

    metricspaces Member

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    Anyone any ideas???
     
  7. marcyp

    marcyp Only me

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    when was the last time you had 4 wheel alignment its always a good thing to do after lowering make sure everythings strate and true
     
  8. metricspaces

    metricspaces Member

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    alignment was done after lowering, everything spot on with that.
     

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