1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

How do you diagnose a wheel bearing failure?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by CHRIS555, Oct 31, 2010.

  1. CHRIS555
    Offline

    CHRIS555 DOPE with added OCD

    Joined:
    Jul 4, 2010
    Messages:
    1,941
    Likes Received:
    2
    As the tilte suggests really!

    How do you tell when you have a wheel bearing on the way out? What are the typical symptoms?

    Thanks in advance!
    #1
  2. quattrojames
    Online

    quattrojames Moderator Staff Member Moderator

    Joined:
    Mar 28, 2008
    Messages:
    13,885
    Likes Received:
    475
    In my experience it usually starts with a grumbling bearing type noise. If you jack it up you 'might' be able to detect some movement by holding the wheel top and bottom and trying to move it - but not always. And often the wheel the noise is coming from isn't the wheel bearing that's gone..... don't ask me why but it's true!
    #2
  3. simon.m
    Offline

    simon.m Active Member

    Joined:
    Oct 5, 2009
    Messages:
    2,745
    Likes Received:
    6
    take it to your local mot place they should not charge to look ;-) iv spent loads of time over there years fafing about trying to find it my self lol
    #3
  4. scott b
    Offline

    scott b Active Member

    Joined:
    Jan 19, 2010
    Messages:
    1,254
    Likes Received:
    3
    dronning type noise, if you go round long sweeping bends so that the weight is lifted of one of the front wheels, if you here the noise go then its the wheel that isnt loaded with the weight of the car

    ie right hand bend, noise goes right hand bearing

    but also jack the car up and check for play, and also spin the wheel and listen for noises
    #4
  5. BlackQuat
    Offline

    BlackQuat Well-Known Member

    Joined:
    Nov 24, 2009
    Messages:
    1,791
    Likes Received:
    43
    You can often find your brakes squeaking too, as the disc moves with the bearing/wheel the disc catchs the pads.
    #5
  6. drmole
    Offline

    drmole Active Member

    Joined:
    Apr 8, 2010
    Messages:
    1,565
    Likes Received:
    32
    yeah all as above chris what made u think it was the bearing wa symptoms does ur baby have lol may be something less costley
    best option if your not 100% wa the problem is like simon said pop to local garage and have them look for you they shouldnt charge for jus inspecting the cause of the problem
    #6
  7. Tooks
    Offline

    Tooks Member

    Joined:
    Feb 20, 2006
    Messages:
    738
    Likes Received:
    28
    The sweeping bend test doesn't necessarily help much to be honest, as I found out.

    Also, the bearings are double race types, so if only one side are shot that can throw you too.

    I took mine to a VAG specialist because it was droning, they put it on ramps disconnected the driveshafts and spun it by hand to listen. They thought the offside front bearing was noisy, backed up by the fact that the noise appeared to be coming from the front offside, so changed it. Job done, except the noise was still there but now seemed to be coming from the nearside front. Had that changed a couple of weeks later, and now quiet as a mouse.

    Best thing is to get somebody sit in different seats in the car to listen with you!
    #7
  8. defsix
    Offline

    defsix Member

    Joined:
    Nov 1, 2009
    Messages:
    148
    Likes Received:
    0
    I used to have the same problem. A droning sound coming from the left side. Then the girlfriend got out and it was still there. Just replaced the lot of them. If ones gone the other one can't be far behind. (bearings)
    #8
  9. CHRIS555
    Offline

    CHRIS555 DOPE with added OCD

    Joined:
    Jul 4, 2010
    Messages:
    1,941
    Likes Received:
    2
    Thanks guys, I get a squeaking noise every now and again, especially when turning right, nothing too loud, but annoying! And yesterday I felt (just for a few seconds) some vibrations in the steering wheel so I'm assuming a bearing is on it's way out!
    #9
  10. AU01 A4
    Offline

    AU01 A4 Member

    Joined:
    Jan 2, 2009
    Messages:
    211
    Likes Received:
    0
    Hi Chis555
    was it the bearing?
    as am getting a squeaking brake noise and i have changed disks and pads checked caliper and still it got it
    #10
  11. ScottD3
    Offline

    ScottD3 I want your faulty electronics

    Joined:
    Nov 24, 2010
    Messages:
    15,081
    Likes Received:
    1,007
    A bearing is a device to allow constrained relative motion between two or more parts, typically rotation or linear movement.

    [​IMG]
    #11
  12. ScottD3
    Offline

    ScottD3 I want your faulty electronics

    Joined:
    Nov 24, 2010
    Messages:
    15,081
    Likes Received:
    1,007
    #12
  13. AU01 A4
    Offline

    AU01 A4 Member

    Joined:
    Jan 2, 2009
    Messages:
    211
    Likes Received:
    0
    thanks, i known what a bearing is,
    am geting a squeaking brake noise, i have used genuine audi pads and disks, and it still there
    #13
  14. ScottD3
    Offline

    ScottD3 I want your faulty electronics

    Joined:
    Nov 24, 2010
    Messages:
    15,081
    Likes Received:
    1,007
    I need to start rereading things. I read it as what is the bearing, Not was it the bearing.
    Sorry bout that. :)

    I use to get his from my GTI after new pads and disks, I coated the back of the pads in copper grease and it went away.
    Just an idea.
    #14
  15. AU01 A4
    Offline

    AU01 A4 Member

    Joined:
    Jan 2, 2009
    Messages:
    211
    Likes Received:
    0
    No Prods
    done that, replace the pads 2times and disk onces it seems to go with new pads but start after a month or two, it doing my head in
    #15
  16. swarcup
    Offline

    swarcup Well-Known Member

    Joined:
    Sep 9, 2009
    Messages:
    1,286
    Likes Received:
    37
    Did you wire brush the bit where the pad slides on the caliper. Mine squeeked till i did this as the pad doesnt slideaway from the disk so squeeks.
    #16
  17. AU01 A4
    Offline

    AU01 A4 Member

    Joined:
    Jan 2, 2009
    Messages:
    211
    Likes Received:
    0
    did do, my next step is when i save the money will be bearing - hub- caliper in that order, am that **** off with it
    #17
  18. simon.m
    Offline

    simon.m Active Member

    Joined:
    Oct 5, 2009
    Messages:
    2,745
    Likes Received:
    6
    not saying you have put cheap pads in mate but iv none some pads to do this as they have to much metal in them my yuonger bro had it till i changed his pads was drivinh him nuts
    #18
  19. AU01 A4
    Offline

    AU01 A4 Member

    Joined:
    Jan 2, 2009
    Messages:
    211
    Likes Received:
    0
    Audi pads from dealer,
    i have had the bearing checked for play and theres no play,
    #19
  20. CHRIS555
    Offline

    CHRIS555 DOPE with added OCD

    Joined:
    Jul 4, 2010
    Messages:
    1,941
    Likes Received:
    2
    Can I just say that the English you lot are giving above is terrible!! I read it on my iPhone and I felt drunk!!

    Ermm... difficult to answer the requested q/a - my squeak went away and I put it down to having some grit in there somewhere - but it has returned in the last few days so god knows!!
    #20

Share This Page