If you have tried and tried to bleed your brakes but still have a soft brake pedal, the brake master cylinder is most likely going out. For an easy test, with the car running depress the brake pedal, if your pedal gets lower and lower to the floor while braking is reduced, your master cylinder has a leak. Brake fluid reservoir not included.
This Part Fits the Following Vehicles
|Audi||B8 A4||Quattro||V6 3.2L|