Overview - Brake Booster/Brake Master Cylinder: Notes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S6, 2018 Audi A6 Quattro, 2018 Audi A6, 2017 Audi S6, and 2017 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
- Bolt
- 23 Nm
- Brake Lines
- 24 Nm
- Brake Master Cylinder
- Cannot be serviced. If malfunctioning, replace as complete unit.
- Removing and installing. Refer to BRAKE MASTER CYLINDER, REMOVING AND INSTALLING .
- Sealing Plugs
- Coat with brake fluid and press into brake fluid reservoir
- Grommet
- For the vacuum line
- Insert in the brake booster
- Locking Pin
- Slide it through the brake fluid reservoir and the master brake cylinder.
- The locking pin must be pushed into the brake fluid reservoir tab.
- Brake Fluid Reservoir
- Removing and installing. Refer to BRAKE FLUID RESERVOIR, REMOVING AND INSTALLING .
- Seal
- Cap
- With Brake Fluid Level Warning Switch -F34-
- Rubber Buffer
- Protective Plate
- Equipped on some models
- Rubber Buffer
- Bolt
- 8 Nm
- Gasket
- Replace after removing
- Brake Booster
- With adhesive seal
- If malfunctioning: replace as complete unit.
- Function Test:
-- With the engine switched off, press the brake pedal firmly several times (to reduce the vacuum in the device).
-- Hold the brake pedal with average foot pressure and start the engine. If the brake booster is working properly, the brake pedal will be felt to give noticeably under foot (booster becomes effective).
- Removing and installing. Refer to BRAKE BOOSTER, REMOVING AND INSTALLING .
- Adjust the ball head. Refer to Fig 2.
- O-ring
- Replace after removing
- Nut
- 49 Nm
- Replace after removing
- Self-locking
Dimension a = 164.7 mm ± 0.5 mm
NOTE:
Surface -1- for adjustment dimension.
When measuring, ball head must be arranged at a right angle to the surface of the brake booster.
Measure to end of ball head without the seal.