One problem related to transmission noise has been reported for the 2004 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Audi A6 based on all problems reported for the 2004 A6.
The contact stated vehicle had a design flaw on the service brakes. He suspected that heat and weight balance on the brakes was calculated incorrectly. The front brake calipers became discolored and overheated. He took the vehicle to a dealer for repairs. The dealer replaced the rear brakes due to discoloration. The consumer stated the transmission makes a heavy noise. Updated 12/27/05.