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Detect which side rear wheel bearing is at fault

Nigma May 31, 2010

  1. Nigma

    Nigma Yakshimash!

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    I can hear a bearing noise coming from the rear, but having difficulty identifying which side is at fault.

    If going around a right hand bend (putting most of the car weight on the passenger side) the noise is NOT present. Going around a left hand bend (putting most of of the car weight on the driver side) the noise is still present.

    From this I *think* it's the drivers side at fault - but is the above method the correct way of working this out ?

    Thanks,
    Anand
     
  2. Y83OLK

    Y83OLK Hulk Smash!

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    Thats the method i normally use.
    Unless its an s3 tqs then you can run it up on axle stands.

    Have u tried jacking up both sides and spinning for noise?
     
  3. Broken Byzan

    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User quattro Audi A4

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    Same method i would use. You would be lucky to detect it on stands, usualy needs load to make it evident
     
  4. Nigma

    Nigma Yakshimash!

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    Thanks for the help guys.

    So is my logic above correct.. i.e. The side under load when the car makes a noise, is the faulty side ?

    Thanks,
    Anand
     
  5. Matt82

    Matt82 Active Member

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    get it on a jack and turn it by hand. normally you can hear/feel it
     
  6. Welly

    Welly VX220 SC Driver :)

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    Normally feels grindy - but then again, that can be the brakes....

    I love wheel bearings.
     
  7. Matt82

    Matt82 Active Member

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    leave them until the car sounds like a helicopter, once it gets to that stage its way easier
     
  8. Nigma

    Nigma Yakshimash!

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    I've just had it up on a jack (and am also incredibly soaked from rain).. The driver side does make a grinding noise as i rotate it, but as you say this could also be the brakes. There is no evident play in the 6-12 and 9-3 positions.
    I'm sure it's the bearings however, as the noise varies at different speeds.

    Cheers,
    Anand
     

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