Brake Caliper, Replacing: Removing

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-- 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:

Turn 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 Brake Pedal Actuator VAG 1869/2 between the brake pedal and driver seat by pressing the brake pedal down at least 60 mm.

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 Brake Pedal Actuator 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:

When removing, mark brake pads that will 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:

It is not necessary to remove the actuator when replacing the rear brake caliper. The new brake caliper is delivered with a new actuator.