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whining noise from rear

Discussion in 'A3/S3 Forum (8L Chassis)' started by Sham101, Mar 22, 2014.

  1. Sham101
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    Sham101 Member

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    [Mar 22, 2014]
    right this is whats going on about a month ago i put 20mm spacers on the rear of my 1999 s3 apy 1 week later whining noise started then serviced the rear diff with new oil replaced rear tyres with pirelli p zeros removed the spacers and the noise is still there it gets louder the faster i go ..dont know what to do now the car has only done 73000 but dont know if the haldex oil and filter has ever been changed any help please...
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  3. Vex182
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    Vex182 Guess what I drive...

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    [Mar 22, 2014]
    Well the haldex oil should be change every 20k and filter every 40k so that's worth being done for sure anyway. Possibly a wheel bearing on the way out?
    #2
  4. Sham101
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    Sham101 Member

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    [Mar 22, 2014]
    bearings have been checked can it be my diff
    #3
  5. Sham101
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    Sham101 Member

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    [Mar 22, 2014]
    come on please this is doing my head in now any little help will help me ive done everthing suggested by u guys but prob is still there
    #4
  6. Sham101
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    Sham101 Member

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    [Mar 25, 2014]
    right done haldex service today oil was like new so im thinking now to change both back bearings now as the noise is still there any other sugestions? lucky for me i have use to a 4 poster ramp for free
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  7. s3dave
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    s3dave TFSI Hybrid

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    [Mar 26, 2014]
    Diff bearings?
    #6
  8. newbster
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    newbster Active Member

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    [Mar 26, 2014]
    wife still locked in boot?

    if you have access to a four post lift and feeling brave (or stupid), get it up on the lift, get the wheels spinning at at about 25 mph

    (3rd or 4th at tickover) , may need to turn any ESP/traction control off as the wheels will spin at diffrent speeds, and have a listen with a mechanics stethoscope to the suspected bearings, noisy ones are usually pretty obviuos

    disclaimer, can be lethal if you get caught up in the big spinny wheely things, best done with a mate, dose not pass even basic h&s
    at your risk etc etc
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  9. mattyboy199
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    mattyboy199 Active Member

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    [Mar 26, 2014]
    if the tyre tread is more on the front than the rear this will cause a whine, so swap your wheels round.
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  10. Sham101
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    Sham101 Member

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    [Mar 26, 2014]
    done that
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  11. Sham101
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    Sham101 Member

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    [Mar 26, 2014]
    i have bridgestone run flats on the front and p zeros on the back can it be the run flats that is at fault
    #10
  12. Nilz
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    Nilz Defo worth the wait :)

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    [Mar 27, 2014]
    Run Flats are known to cause a fair bit of noise, since you have changed them to the front, has the noise followed it?
    #11
  13. Sham101
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    Sham101 Member

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    [Mar 27, 2014]
    no come on guys help pls is there some one in brum that can aid
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  14. newbster
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    newbster Active Member

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    [Mar 28, 2014]
    looks like there's a whining noise comimg from the front as well now
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  15. Nilz
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    Nilz Defo worth the wait :)

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    [Mar 28, 2014]
    Not sure if you can, but have you actually tried a different set of tyres on the car?

    I had a set of Good Year Eagle F1s on mine a few years ago and they used to make a horrible whining noise that sounded like it was the bearings, as soon as I got rid of them, the noise stopped, it was well documented on the net too about the whining noise.

    Maybe its the tyres.
    #14

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