Brake Caliper, Replacing: Removing

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

-- Release the parking brake.

-- Switch off the ignition.

-- Insert the Brake Pedal Actuator:VAG1869/2 -item A- between the brake pedal and driver seat. Pretension the brake pedal at least 60 mm.

Courtesy of AUDI

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

-- Remove the rear wheel, while observing the safety precautions for vehicles with ceramic brakes. Refer to WHEELS AND TIRES .

CAUTION:

Leaking brake fluid increases the risk of injury.

Risk of skin irritation and injury.

- Wear safety gloves.

-- Remove the protective cap -3- from the bleed screw -1- on the left front caliper.

Fig 1: Identifying Protective Cap, Bleed Screw And Container Bleeder Hose

Courtesy of AUDI

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

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

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

-- Repeat the procedure on the left rear brake caliper.

Do not remove the Brake Pedal Actuator:VAG1869/2 .

-- Disconnect the connector -arrow- from the electro-mechanical parking brake motor.

Courtesy of AUDI

Courtesy of AUDI

CAUTION:

There is a risk of contamination and paint damage from leaking brake fluid.

- Rinse off any leaking brake fluid immediately using plenty of water.

-- To protect against escaping brake fluid, place a cloth under the separating point.

CAUTION:

Risk of accident due to the brakes malfunctioning.

- Brake fluid must never come into contact with fluids containing mineral oils (oil, gasoline, cleaning solutions).

- Do not use safety gloves that have been dirtied by oil or grease.

-- Remove the banjo bolt -arrow-.

Courtesy of AUDI

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

-- Remove the electro-mechanical parking brake motor. Refer to Left Parking Brake Motor -V282- /Right Parking Brake Motor -V283-, REMOVING AND INSTALLING .