whirring

Audi A4 Whirring Noise. Web the most common causes for humming noise in audi a4 at high speeds are bad wheel bearing, uneven tire wear and using tires with large tread blocks. When decelerating under 20 there is no noise.Audi a4 knocking noise? YouTube from www.youtube.comI find it hard to believe, but according to dr google, jakarta doesn't even rank in the top ten of the … [Read more...] about Audi A4 Whirring Noise