Question about 1996 Audi A4
The car makes a loud humming sound from the rear. It seems loud at all speeds but even louder at around 45. But it's actually loud all the time. Had rear bearings replaced 30K ago and tires are relatively new. At driving speed if I take it out of gear the noise is still there, it doesn't change.
It's the wheel bearing. Guaranteed. Just replaced mine. Go to Audiworld tech articles for step by step instructions on how to test the wheel bearings. They must have been put in wrong last time or they just went out again.
Posted on Jan 28, 2009
Sounds like a bad pinion or ring gear in the diff. just did one on my friends quattro.
Posted on Nov 06, 2012
The diff in back off my quattro is making noise when it heats up , its like a thump sound when i go around bend or if i put in reverse , what could this be ?
Posted on Jul 27, 2011
This sounds like a pinion gear bearing, was that replaced?
Posted on Oct 13, 2008
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Posted on Jan 02, 2017
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