Brake Booster, With S-Tronic

Brake Booster, with S-Tronic

• The selector shaft lever on the transmission must be removed if the vehicle has a S-Tronic. Check and adjust the selector lever cable after installing.

Special tools, testers and auxiliary items required

• Hose Clamps Up to 25 mm Dia. (3094)

• Torque Wrench (V.A.G 1331)

• Brake Filler/Bleeder Unit (V.A.G 1869)

• Brake Filler/Bleeder Unit Suction Adapter (V.A.G 1869/4)

• Brake Filler/Bleeder Unit (VAS 5234)

• Sealing Plugs Repair Kit, Part No. (1H0 698 311 A)

Removing

- Move the selector level into S.

• Do not move the selector lever until the selector lever cable is installed.

- Switch off the ignition

- Remove the securing plate - 5 - for the selector lever cable.






- Remove the selector lever cable from the ball head on the selector shaft - 2 -.


Do not bend the selector lever cable. The selector lever cable must be replaced if the protective sleeve is damaged.

- Remove the bolt - 1 -.

• Mark the position of the lever for the selector shaft for installation later.

- Remove the selector shaft lever - 2 -.

- Remove the vacuum in the brake booster by pressing the brake pedal repeatedly.

- Remove the master brake cylinder.

- Unclip and remove the vacuum line from the brake booster.






- Where necessary, disconnect electrical connections on brake booster.

- Remove the driver side storage tray.

- Remove the brake lamp switch on the brake pedal. Refer to => [ Brake Lamp Switch on Brake Pedal ] Brake Lamp Switch on Brake Pedal.

• The brake lamp switch may be installed in the brake booster depending on the model. Do not remove it.

- Disconnect the brake pedal from the brake booster.

- Remove the nuts - 1 -.






- Remove the brake booster.

Installing

Replace nuts

Installation is in reverse order of removal, with special attention to the following:

- Clip brake pedal together to the brake booster.

- Install the brake lamp switch on the brake pedal. Refer to => [ Brake Lamp Switch on Brake Pedal ] Brake Lamp Switch on Brake Pedal.

• The brake lamp switch may be installed in the brake booster depending on the model. Do not remove it.

- Install the master brake cylinder.

Tightening Specifications






- Press the lever - 2 - onto the selector shaft. Pay attention to the marking made during removal.






• Pay attention to the marking when installing the lever - 2 -.

- Install the bolt - 1 - and tighten it to 8 Nm.

- Pull the selector lever cable through the cable mounting bracket.


Do not bend the selector lever cable. The selector lever cable must be replaced if the protective sleeve is damaged.

• Replace the securing plate.

- Press the selector lever cable - 2 - carefully on the lever for the selector shaft lever and secure it with a new securing plate - 1 -.






- Bleed the brake system: ABS/ESP Mark 60/ Mark 70. Refer to => [ Bleeding Brake System, ITT ABS/ESP Mark 60/ABS Mark 70 ] Bleeding Brake System, ITT ABS/ESP Mark 60/ABS Mark 70.

- Perform a basic setting to brake pressure sensor 1 (G201) on vehicles with ABS/ESP.

Use the vehicle diagnosis, testing and information system (VAS 5051 B) or (VAS 5052).

- Check and adjust the selector lever cable.

- On vehicles with ABS/ESP Mark 60, perform the ESP test drive.

Use the vehicle diagnosis, testing and information system (VAS 5051 B) or (VAS 5052).