Table 1 shows four common service brakes related problems of the 2002 Audi S4. The number one most common problem is related to the brake disc (five problems). The second most common problem is related to the brake disc pads (two problems).
| Problem Category | Number of Problems |
|---|---|
| Brake Disc problems | |
| Brake Disc Pads problems | |
| Power Assist Brake Vacuum Hoses, Lines/piping, And Fittings problems | |
| Brake Disc Rotor problems |
Brakes continued to pulsate after last attempt to correct the problem. The dealer found that the rear rotors were out of spec and replaced them with part number 8d0-615-601-d. Read details...
I purchased my audo S4 avant new on Nov. 10, 2001. It has 26,000 miles on it. There have been at least 6 repairs performed to correct brake pulsation or vibration. Pads and/or front and/or rear rotors have been replaced. Read details...
The brakes boost/vacuum assist line check valve cracks apart into two pieces. This causes the total loss of the power assisted brake system in the car and subsequently makes it very hard to stop the vehicle. There is no warning about the pending loss of brakes. Read details...