Mechanics

HUMMING NOISE

Audi A4

High pitch humming noise at high speed(50 mph or more), but appears to disappear at even higher speed.
I think this is coming from bottom of the driver side and may have been started after car" inspection" about a month ago
any ideas?
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Ask2007
July 11, 2007.



I forgot to mention that this is A4 Quattro 3.0
2005, 27000 miles, Audi of course

Tiny
Ask2007
Jul 11, 2007.