Brake Caliper, Replacing : Removing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Audi S7, 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, and 2014 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.

Do not loosen the bolts -arrows-.

Fig 1: Do Not Loosen The Bolts

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WARNING: There is a risk of malfunction. Do not loosen the bolts -arrows-.

-- Remove the affected front 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 2: 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 3: Identifying Protective Cap, Bleed Screw And Container Bleeder Hose

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-- Attach the container bleeder hose -2- to the bleed screw.

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 hydraulic system.

-- Close the bleed screw and remove the container.

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

-- Remove the union bolt -2-.

Fig 4: Identifying Brake Hose

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-- Free up the brake hose at the brackets -arrows-.

-- Detach the brake hose -1- from the brake caliper and remove it.

NOTE: Ignore -item 3-.

-- Disconnect the connector -2- from the brake pad wear indicator.

Fig 5: Identifying Connector To Brake Pad Wear Sensor

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-- Release the connector -1- to the brake pad wear sensor from its bracket -arrow A- while turning it 90° at the same time -arrow B-.

NOTE:

Pushing on the brake pads -3- lightly with pliers -1- makes it easier to remove the brake caliper from the brake rotor. To prevent damage to the coating on the brake caliper, place a piece of rubber -2- or similar between the pliers and brake caliper. While doing so do not damage the brake pad wear indicator cable.

Fig 6: Identifying Brake Pads

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-- Unscrew the bolts -1- and carefully remove the brake caliper with the brake pads from the brake rotor.

Fig 7: Identifying Bolts

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-- If necessary, remove the brake pads. Refer to Removing .