Audi A6 owners have reported 1 problem related to power assist brake vacuum hoses, lines/piping, and fittings (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.
Brake booster vacuum can not completed due to lack of parts. Nlm.
See
all problems of the 1998 Audi A6
🔎.