Brake Caliper, Replacing: Removing

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Special Tools And Workshop Equipment Required

Torque Wrench 1331 5-50 Nm :VAG1331
Torque Wrench 1331 Insert - Ring Wrench:V.A.G. 1331/3
Brake Pedal Actuator:VAG1869/2 .
Vehicle Diagnostic Tester

-- Connect the Vehicle Diagnostic Tester to the diagnostic socket in the vehicle with the ignition switched off.

Fig 1: Connecting Diagnostic Cable VAS 5051/5A To Diagnostic Connector

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Switching on the ignition

Release parking brake

Coding check and reported if necessary.

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

-- Select the corresponding functions in the Vehicle Diagnostic Tester.

-- Turn off the ignition.

-- Insert the :VAG1869/2 between the brake pedal and driver seat and press the brake pedal at least 60 mm. By doing this, the valves in the brake master cylinder are closed and the brake fluid reservoir does not run empty.

Fig 2: Brake Pedal Depressor VAG 1869/2 Inserted Between Brake Pedal And Driver's Seat

Courtesy of AUDI OF AMERICA, LLC

-- Raise The Vehicle.

-- Remove the wheels.

-- Connect the hose from a bleeder bottle to one of the bleeder screws on the rear caliper.

-- Open a bleeder screw on the rear brake caliper to reduce the pressure from the brake system.

-- Close the bleed screw and tighten to 13 Nm.

NOTE:

Do not remove the :VAG1869/2 .

-- Disconnect the parking brake connector.

-- Remove the brake hose and electrical wire from the bracket on the stub axle carrier

-- Remove the rear brake pads. Refer to BRAKE PADS, REMOVING AND INSTALLING .

NOTE:

Label the brake pads when removing if they are going to be used again. Install in the same position, otherwise braking effect will be uneven!

Operating the electromechanical parking brake again after a long drive is recommended.

Brake pad play is automatically adjusted every 1000 km if the EPB is not operated in this distance.

-- Remove the brake pressure line from the brake caliper.

-- Remove the brake caliper from the vehicle.

NOTE:

When replacing the rear brake caliper, the actuator must not be removed. The new brake caliper is delivered with a new actuator.