Audi Q5: Brake Rotor, Removing and Installing
Removing
- Remove the brake caliper with the brake pads and brake carrier. Refer to → Chapter "Brake Caliper, Removing and Installing".
Caution
Do not actuate the brakes or the electromechanical parking brake when the brake caliper is removed.
- Remove the securing bolt -arrow- on the brake rotor while holding the rotor firmly.
- Remove the brake rotor from the wheel hub.
Note
When removing the brake rotor from the wheel hub, do not tilt the brake rotor.
Installing
Note
Use new bolts. Refer to Parts Catalog.
Clean the brake rotor, wheel hub and contact surfaces before installing.
- Place the brake rotor on the hub.
Note
When positioning the brake rotor, do not tilt it on the wheel hub.
- Install the securing bolt -arrow- and tighten.
- Install the brake caliper with brake carrier. Refer to → Chapter "Brake Caliper, Removing and Installing".
- Install the rear wheel. Refer to →Wheel and Tire Guide; Rep. Gr.44.
WARNING
There is the risk of an accident.
- Before moving the vehicle, press the brake pedal firmly several times to seat the brake pads correctly in their operating position.
- Make sure the brakes are working correctly before driving the vehicle.
Brake Rotor, Replacing
Removing
- Remove the brake hose and electrical wire from the bracket on the stub axle carrier
- Remove the rear brake pads. Refer to → Chapter "Brake Pads, Removing and Installing".
- Remove the bolts -16 and 17- and remove the brake carrier.
- Remove the bolt -arrow- while holding the brake rotor in place.
- Remove the brake rotor from the wheel hub.
Note
When removing the brake rotor from the wheel hub, do not tilt the brake rotor.
Installing
Clean the brake rotor, wheel hub and contact surfaces before installing.
- Place the brake rotor on the hub.
Note
When positioning the brake rotor, do not tilt it on the wheel hub.
- Install the securing bolt -arrow- and tighten.
- Install the rear brake carrier. Install and tighten the bolts -16 and 17-.
Note
Use an extension to tighten the lower screw -16-. An extension is not needed to tight the upper screw -17-. Slightly move the wheel housing liner away.
- Install the rear brake pads. Refer to → Chapter "Brake Pads, Removing and Installing".
Note
Make sure the brake hose and wiring is correctly attached and secured inside the bracket on the stub axle carrier. This will prevent the hose and wiring from coming out of the bracket.
WARNING
There is the risk of an accident.
- Before moving the vehicle, press the brake pedal firmly several times to seat the brake pads correctly in their operating position.
- Make sure the brakes are working correctly before driving the vehicle.
Brake Shield, Removing and Installing
Removing
- Raise the vehicle.
- Remove the wheels.
- Remove the rear brake rotor. Refer to → Chapter "Brake Rotor, Removing and Installing".
- Remove the bolts on the brake shield.
- Remove the brake shield.
Installing
- Position the brake shield.
- Install the bolts on the brake shield and tighten them.
- Install the rear brake rotor. Refer to → Chapter "Brake Rotor, Removing and Installing".
- Install the brake hose and electrical wire into the bracket on the stub axle carrier.
Note
Make sure the brake hose and wiring is correctly attached and secured inside the bracket on the stub axle carrier. This will prevent the hose and wiring from coming out of the bracket.
WARNING
There is the risk of an accident.
- Before moving the vehicle, press the brake pedal firmly several times to seat the brake pads correctly in their operating position.
- Make sure the brakes are working correctly before driving the vehicle.
Brake Caliper, Replacing
Note
When replacing the rear brake caliper, the actuator must not be removed. The new brake caliper is delivered with a new actuator.
Special tools and workshop equipment required
- Vehicle Diagnostic Tester
- Torque Wrench 1331 5-50Nm -VAG1331-
- Torque Wrench 1331 Insert - Ring Wrench -VAG1331/3-
- Brake Pedal Actuator -VAG1869/2-.
- Container from the Brake Charger/Bleeder Unit -VAS5234-
Removing
- The parking brake is released.
- Connect the Vehicle diagnostic tester to the diagnostic connection on the vehicle with the ignition switched off.
- Turn on the ignition.
- After entering the VIN, select Guided Functions.
- Drive back the parking brake motor:
- Continue to follow the instructions in the vehicle diagnostic tester display.
- Insert the Brake Pedal Actuator -VAG1869/2- between the brake pedal and driver seat. Preload the brake pedal at least 60 mm.
Note
By doing this, the valves in the brake master cylinder are closed and the brake fluid reservoir does not run empty.
- Remove affected rear wheel. Refer to →Wheel and Tire Guide; Rep. Gr.44.
- Connect container hose to a rear brake caliper bleed screw.
WARNING
- Brake fluid is poisonous. NEVER siphon brake fluid with your mouth!
- Wash off any brake fluid that comes into contact with the skin with a lot of water.
- If brake fluid comes in contact with the eyes, wash out the eye(s) and see a doctor.
- Open a brake caliper bleed screw on the rear brake caliper to reduce the pressure from the brake system.
- Close the bleed screw.
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 → Chapter "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!
- Remove the brake hose -5- from brake caliper.
- Remove the brake caliper.
Installing
Note
Use new bolts. Refer to Parts Catalog.
- Install the brake hose into the brake caliper and tighten.
WARNING
- Brake fluid is poisonous. NEVER siphon brake fluid with your mouth!
- Wash off any brake fluid that comes into contact with the skin with a lot of water.
- If brake fluid comes in contact with the eyes, wash out the eye(s) and see a doctor.
- Install the rear brake pads. Refer to → Chapter "Brake Pads, Removing and Installing".
Note
Reconnect the parking brake connector only after tightening the bolts.
- Connect the connector to the parking brake.
- Install the brake hose and electrical wire into the bracket on the stub axle carrier.
Note
Make sure the brake hose and wiring is correctly attached and secured inside the bracket on the stub axle carrier. This will prevent the hose and wiring from coming out of the bracket.
- Remove the Brake Pedal Actuator -VAG1869/2-.
Only bleed the brakes on the wheel which the brake caliper and the brake line was separated.
Note
Only bleed the brakes on the wheel which the brake caliper and the brake line was separated. If the brake pedal still feels "soft", completely bleed the brakes. Refer to → Chapter "Hydraulic System, Bleeding".
- Drive the parking brake motor out using the Vehicle Diagnostic Tester by following the directions on the display.
- Install the rear wheel. Refer to →Wheel and Tire Guide; Rep. Gr.44.
WARNING
There is the risk of an accident.
- Before moving the vehicle, press the brake pedal firmly several times to seat the brake pads correctly in their operating position.
- Make sure the brakes are working correctly before driving the vehicle.
