Parking Brake Actuator: Service and Repair
Parking Brake Motor
Special tools, testers and auxiliary items required
• Torque Wrench (V.A.G 1331)
• Vehicle Diagnostic, Test and Information System (VAS 5051)
• Diagnostic Cable (VAS 5051/1) or (VAS 5051/3)
Removing
• Ignition must be switched off for at least 30 seconds before disconnecting the connector.
- Pull connector - 1 - off from parking brake motor.
- Remove both inner TORX(R) bolts - arrows - on the parking brake motor.
- Pull off parking brake motor from brake caliper.
- Remove the seal.
Make sure that the ring groove of the seal and the contact surface of the parking brake motor do not become damaged.
- Clean the ring groove and the contact surface of the parking brake motor.
Installing
- Lightly coat the new gasket with brake fluid and then install it.
- Turn the spindle back slightly the with help of a TORX(R) insert T45 - A -, until the parking brake motor can be correctly positioned.
CAUTION!
Do not remove the gasket when assembling the parking brake motor.
- Carefully set the parking brake motor in place, paying attention to the seat of the seal.
- Rotate the parking brake motor until the bolt hole and threads are aligned.
Make sure that the parking brake motor is seated flush against the brake caliper. Do not, under any circumstances, pull the parking brake motor against the brake caliper using the bolts.
- Set the TORX(R) bolts - arrows - in place by hand and then tighten.
- Install connector.
- Perform basic setting of brake system.
- (VAS 5051), connecting and selecting functions. Refer to => [ VAS 5051, Connecting and Selecting Functions ] Scan Tool Testing and Procedures.