Brake Booster, TT RS

Brake Booster, TT RS






1 - Brake Booster

2 - Brake Light Switch

• to brake booster

- On the TT RS remove the brake lamp switch. Refer to => [ Brake Lamp Switch, TT RS ] Brake Lamp Switch, TT RS.

6 - Bolt

• 25 Nm

8 - Brake Pedal

Removing

Special tools, testers and auxiliary items required

• 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)

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

- On the TT RS remove the brake lamp switch. Refer to => [ Brake Lamp Switch, TT RS ] Brake Lamp Switch, TT RS.

- On the TT RS remove the master brake cylinder. Refer to => [ Brake Master Cylinder, TT RS ] Brake Master Cylinder, TT RS.

• Remove Brake Booster Vacuum Sensor G483, depending on model => [ Brake Booster Vacuum Sensor, with Optimized Hydraulic Brake Vacuum (OHBV) Boosting ] Service and Repair

- Remove the engine cover - 1 -.






- Remove bolts - arrows - and remove the air guide.






- Remove the bolts - arrows - and remove the air filter housing.






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

- Remove the vacuum line to the check valve.

- Remove driver side compartment: => 68

- Disconnect brake pedal from brake booster => [ Brake Pedal and Brake Booster, Separating ] Brake Pedal and Brake Booster, Separating.

- Remove the nuts - 6 -.






- Remove the brake booster from the vehicle.

Installing

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

Use New Nuts.

- Observe torque

- Clip brake pedal together with brake booster => [ Brake Pedal and Brake Booster, Separating ] Brake Pedal and Brake Booster, Separating.

• Install Brake Booster Vacuum Sensor G483, depending on model => [ Brake Booster Vacuum Sensor, with Optimized Hydraulic Brake Vacuum (OHBV) Boosting ] Service and Repair

- Install brake master cylinder. => [ Brake Master Cylinder ] Brake Master Cylinder.

- On the TT RS install the brake lamp switch. Refer to => [ Brake Lamp Switch, TT RS ] Brake Lamp Switch, TT RS.

- Install the vacuum line.

- Connect the vacuum line to the check valve.

- Install driver side compartment.

- Install the air filter housing and tighten the bolts - arrows -.






- Install the air guide and tighten the bolts - arrows -.






- Install the engine cover.

- Brake System: ABS/ESP Mark 60, bleeding => [ Brake System Bleeding ] Brake System Bleeding.

- Initiate brake pressure sensor basic setting.

Use Vehicle Diagnosis, Testing and Information System (VAS 505x) for this.

- Perform ESP driving and system test.

Vehicle diagnostic, test and information system (VAS 505x).

- Under chassis

- Brake system

- 01 - On Board Diagnostic (OBD) capable systems

- 03- Brake electronics ABS/ESP Mark 60si

- J104- ABS/ASR/ESP Control Module, Functions

- On vehicles with ABS/ESP, initiate brake pressure sensor basic setting.

- Perform ESP driving and system test.

Make sure the brakes are working correctly before driving the vehicle for the first time.