Brake Master Cylinder Problems of Audi A6

Audi A6 owners have reported 3 problems related to brake master cylinder (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.

car image   Brake Master Cylinder problem of the 2000 Audi A6 1
Failure Date: 06/05/2006

I was driving my 2000 Audi A6 2. 7t (about 48,500 miles and out of warranty) home from work, when I noticed the car seemed to have less power. The car did not seem to accelerate very well. Then I noticed that when I took my foot off the accelerator that the car was slowing on its own. I was close to home and the road I was on did not have a place where I could safely pull over so I drove home. When I pulled in I noticed the front passenger wheel was smoking. I picked up a fire extinguisher and used it on the smoking wheel. I kept checking the wheel until all the parts of the brake and wheel were cool to the touch. I had the car carried to the Audi dealer since I did not want repeat the incident. The brake had loosened up since the car rolled when it was taken out of gear. When at the dealer the problem was initially identified as a failed brake caliper that locked the brake pads against the wheel. After waiting several days for the brake caliper to be shipped from canada!! it was then discovered that the brake line was blocked. After further investigation it was discovered that the master brake cylinder had been the initial failure. ( this part also required a day or so to be delivered. ) something from it clogged the brake line so the pressure was not be released at the brake caliper. So the brake pads were locked against the brake rotor. Result the master brake cylinder, brake fluid, the passenger front brake caliper, both fron brake rotors and both sets of front brake pads were replaced. Time to repair 10 days.

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car image   Brake Master Cylinder problem of the 2002 Audi A6 2
Failure Date: 11/29/2002

While driving, the vehicle jerks forward. The mechanic indicated that the one out of the six cylinder coil had broke, and this is common problem with this vehicle because of the design. They also indicated that the remaining five coils will also break. Ts.

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car image   Brake Master Cylinder problem of the 2002 Audi A6 3
Failure Date: 10/31/2002

The contact owns a 2002 Audi A6. The contact stated that during the cold weather season the brake booster filled with water and caused the brakes to fail. The abs indicator illuminated. The contact discovered that the master cylinder was rusted and needed to be replaced along with the brake booster. The manufacturer will not reimburse the contact for the repairs because they were not done at an Audi dealer. The contact possesses the repair invoices. The current mileage was 56,000, and failure mileage was 54,000.

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