Electro-Mechanical Parking Brake Actuator: Removing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Audi S4, 2013 Audi A4, 2012 Audi S4, 2012 Audi A4, and 2011 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Ignition off.

Ignition must be switched off for at least 30 seconds when disconnecting the motor connector!

Parking brake released.

DTC memory interrogated, errors shown corrected and DTC memory erased.

-- Raise the vehicle.

-- Remove the wheels.

NOTE:

Ignition must be switched off for at least 30 seconds when disconnecting connector!

Clean the entire area around the connector and actuator/brake caliper.

Disconnect actuator connector -1-.

Fig 1: Disconnecting Actuator Connector

Courtesy of AUDI OF AMERICA, LLC

-- Remove both actuator bolts -1-.

Fig 2: Identifying Actuator Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the actuator in the direction of the arrow.

Fig 3: Removing Actuator

Courtesy of AUDI OF AMERICA, LLC

-- Remove sealing ring with a suitable tool.

Fig 4: Identifying Sealing Ring With Suitable Tool

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Make sure that ring groove of the seal and contact surface of parking brake actuator do not become damaged.

Do not use any tools with sharp edges.

-- Clean ring groove and contact surfaces if dirty. Only use brake cleaner.