Brake Caliper, Replacing : Removing

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-- Turn off the ignition.

The parking brake is released.

-- Remove the affected rear wheel. Refer to Wheels, Tires, Wheel Alignment .

-- Insert the Brake Pedal Actuator VAG 1869/2 between the brake pedal and driver seat. Preload the brake pedal at least 60 mm.

Fig 1: Brake Pedal Depressor VAG 1869/2 Inserted Between Brake Pedal And Driver's Seat

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NOTE:

By doing this, the valves in the brake master cylinder are closed and the brake fluid reservoir does not run empty.

-- Remove the protective cap -3- from the bleed screw -1-.

Fig 2: Identifying Protective Cap, Bleed Screw And Container Bleeder Hose

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-- Connect the bleeder bottle hose -2- as shown.

WARNING: When working with brake fluid, observe relevant safety precautions and notes. Refer to BRAKE FLUID .

-- Open the bleed screw to reduce the pressure in the brake system.

-- Close the bleed screw and remove the bleeder bottle.

NOTE: Do not remove the Brake Pedal Actuator VAG 1869/2.

-- Disconnect the connector -arrow- from the electromechanical parking brake motor.

Fig 3: Identifying Connector

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-- Remove the union bolt -2-.

Fig 4: Identifying Brake Hose, Union Bolt And Retaining Spring

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-- Free up the brake hose on the bracket -arrow-.

-- Disconnect the brake hose -1- from the brake caliper.

-- Disconnect the brake pad wear sensor connector -1-.

Fig 5: Identifying Brake Pad Wear Sensor Connector

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-- Release the connector -2- to the brake pad wear sensor from its bracket -arrow B- while turning it 90° at the same time -arrow A-.

-- Remove the dust cap -3- from the bleed screw and free up the electrical wire.

NOTE: Ignore -item 4-.

-- Remove the bolts -arrows- by counter-holding the guide pins -1 and 2-.

Fig 6: Identifying Guide Pins

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-- Remove the brake caliper and guide out the electrical brake pad wear display wire at the same time.

-- Remove the electromechanical parking brake motor. Refer to Removing .

-- Remove the brake pads and brake pad springs.