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''WHINE'' from rear diff on deceleration

Discussion in 'A3/S3 Forum (8L Chassis)' started by sitrials, Apr 8, 2007.

  1. sitrials
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    sitrials Member

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    [Apr 8, 2007]
    whenever i'm coming up to a junction/roadabout i get a faint ''whine'' from my rear diff does anyone elses do this because i know some diffs make a real racket!
    like this transit from work makes a really annoying noise.
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  3. sitrials
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    sitrials Member

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    [Apr 14, 2007]
    please anyone on the motorway last night i was getting a whine could it be a wheel bearing or something simple i've just lowered the car and since last night seems worse, doesn't do it while accelerating just cruising or coming to a stop.
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  4. rodenal
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    rodenal Active Member

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    [Apr 14, 2007]
    Car might be whining cos of those dam wheels 'please take them off me please'


    Only kiddin bud, just how loud is it? they all whine a bit when pulling up but you shouldn't really be able to notice it unless the radio is off. A bearing is much more of a drone, should be a different kind of sound.
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  5. sitrials
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    sitrials Member

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    [Apr 14, 2007]
    its a a constant droney whine just took my fuse out for the diff and still does it which leave me to thiknk its a bearing or i have somehow managed to warp a black diamond rear disk!
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  6. rodenal
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    rodenal Active Member

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    [Apr 14, 2007]
    Jack the car up, grab each wheel individually and push/pull it, if there's play there's prob a bearing gone, and its quite bad so i'd get it changed quickish.

    IF there's no play it doesnt mean the bearing's fine just means its not as bad - be warned i let 2 bearings get bad and they took the hub carriers with them
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  7. joe6886
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    joe6886 Member

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    [Apr 14, 2007]
    Mine whines a bit when slowing down. Never really thought much about it, but I think its from the gearbox. I don't worry about it.
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  8. sitrials
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    sitrials Member

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    [Apr 14, 2007]
    just took my mate (mechanic) for a ride he sat in the back and said both my bearings are shot. i jacked the car up but theres no play in them YET, where the best place to get the bearings, audi, euro carparts?? and are they easy to fit i guess its how easy the hub nut comes undone! LOL!
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  9. rodenal
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    rodenal Active Member

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    [Apr 14, 2007]
    I usually get my stuff from gsf but u'll need a mechanic to do them really, i get my mate to do all my stuff like that - they need to be pressed in which is the problem.
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  10. simch
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    simch Active Member

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    [Apr 14, 2007]
    i bet its your tyres.

    put your other wheels on and I reckon it may stop.
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  11. Tooks
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    Tooks Active Member

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    [Apr 15, 2007]
    I'll second what simch is saying, particularly because its got louder since you lowered it.

    My car makes a droning/whining sound most noticeable on deceleration, but this is only since my new suspension which dropped the rear 10-15mm or so and has noticeably altered the rear camber and makes the tyres run more on the inside edges.

    Just to check though, put your old wheels/tyres back on, and see if it's any different.

    It seems to be more of a problem on 'V' patterned tyres in my experience. I've got Toyo Proxes T1's on at the moment which are 'V' Patterned, but I had this problem before on my lowered BMW 320d with Avon Z3's. When I changed the tyres to Continentals, the noise stopped.
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  12. sitrials
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    sitrials Member

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    [Apr 15, 2007]
    i had a nail in my damn tyre and was running 15psi then 0psi this morning!
    PANIC OVER!!
    get that fixed and hey presto.
    PHEW!
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  13. rodenal
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    rodenal Active Member

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    [Apr 15, 2007]
    Thats the thing i hate about lower profile tyres, because the sidewalls are firmer its harder to tell when they're down on pressure unless you're really lookin at them
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  14. sitrials
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    sitrials Member

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    [Apr 16, 2007]
    i feel like such a divvy!:jester:
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