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1999 fwd front wheel bearing

Discussion in 'A4/S4 forum(B5 Chassis)' started by jas828, Mar 25, 2013.

  1. jas828
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    jas828 Member

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    think ive got a front drivers side wheel bearing on its way out got a lancaster aeroplane noise going on about 40-60mph and when i go round left hand bend so that side is loaded right up its goes quieter do the bearings need pressing in/out etc ?or anybody got a guide to doing job ?
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  2. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    yes bearings require a press or similar.

    Before you take it apart, spin each wheel with the car jacked up, the faulty one will sound rough.
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  3. jas828
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    jas828 Member

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    ok will jack it up in a moment on other cars ive used old sockets etc and studding and nuts to draw bearings in and out is this trick doable with these bearings ?
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  4. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    Possibly, but the Audi bearings have no circlips and are a very tight interference fit. Some can need 5+ tonnes of pressure to shift the old bearing, and most i've done seem to need a couple of tonnes to press them back in.
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  5. jas828
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    jas828 Member

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    just checked both front wheels no play no noise i put a new track rod end on recently and know tracking is out im due two tyres and tracking in couple of weeks is it possible its tyre noise as front right tyre is one that is out on tracking ?
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  6. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    check the rears as well?

    It wont be loud, it'll just have a slight rumble to it.
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  7. Nessy
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    Nessy VW + Audi mad

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    I managed to change the (similar-looking) front bearings many years ago on my Series 4 Audi 80 with a couple of drifts and a very big hammer,lol, but when I did the same job on my present A4 I used a hydraulic press, as Aragorn says they are a very tight interference fit.
    Getting the old ones out and new ones in took almost 5 tonnes of pressure as stated, there's no way IMHO you'd do it without hydraulic assistance.
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  8. jas828
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    jas828 Member

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    ill jack up again tomorrow but all i could hear spinning front wheels was slight drag of brake pads as normal
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  9. Nessy
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    Nessy VW + Audi mad

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    When I did the fronts as mentioned above there wasn't a lot of give/feel evident in the bearings until I was able to press them out of the hubs.
    When they were removed they appeared very very rough and most definitely clapped-out....
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  10. jas828
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    jas828 Member

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    nessy think that what wrong with mine cant feel anything but its def noisy from drivers side
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  11. jas828
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    jas828 Member

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    been under again and found split boot on cv and over last couple of weeks get a small clonk on taking drive up could this also be my prob at speed when running aswell a worn cv joint ?
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  12. Mike_B
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    Mike_B Member

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    FWIW I had the "drone" of a dud bearing a few months ago and couldn't diagnose which side it was by "spinning the wheels" - even the garage couldn't be 100% sure which side it was and it didn't make any real difference whether it was loaded left or right. Mike
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  13. jas828
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    jas828 Member

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    mike did you have both changed in the end ?
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