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A6 / S6 (C6 Platform) DiscussionDiscussion forum for the C6 Audi A6 produced from 2004-present and Audi S6 produced from 2007-present
2006 A6 3.2L - 60K miles.
Every couple of days, I hear this low hum from what i think is the front of the car/axle. It's unpredictable, but i've noticed the following as to when it's happening - lower speeds (parking or backing out), mostly happens in reverse, mostly happens when steering at low speeds, lasts 2-3 seconds, annoying/scaring me that it's something $$$$. Can anyone suggest what it may be?
oil changed in july.
brakes (front and back) replaced in july.