Audi A6 owners have reported 39 problems related to service brakes (under the service brakes category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Audi A6 based on all problems reported for the A6.
Abs control unit is faulty on my Audi A6 2003. I believe it is subject to recall indicated by the $1800 repair and frequency of this complaint on the internet.
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all problems of the 2003 Audi A6
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The vehicle shimmied severely when the brakes were depressed.
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all problems of the 2001 Audi A6
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Consumer stated while traveling on wet roads the brakes become soft. Once dry, the brakes grab. The consumer stated the front and rear brakes were replaced several times.
During inclement weather driver must pump the brake pedal to stop the vehicle. Also, the brakes grab in the rear. Dealer replaced the brakes four times, but problem still exists.