Audi Q3 Owners & Service Manuals

Audi Q3: Rear Brake Caliper, Removing and Installing

Audi Q3 (8U) 2011-2018 Service Manual / Chassis / Brake System / Mechanical Components / Rear Brake Caliper, Removing and Installing

Brake Caliper, Removing and Installing, Brake 1KU

  Note

In the following description the brake caliper is removed with the brake carrier and pads. The brake hose remains connected.

Special tools and workshop equipment required

  • Torque Wrench 1332 40-200Nm -VAG1332-

Removing

  • The parking brake is released.

  Note

Do not disconnect the connectors from the parking brake motors.

- Remove the affected rear wheel, refer to → Suspension, Wheels, Steering; Rep. Gr.44; Wheels and Tires.

- Disconnect the connector for the brake pad wear display -arrow-.

Audi Q3. A46-0253

- Release the connector from the mount while turning it 90º at the same time.

- Remove the connector from the bracket.

- Remove the connector for the parking brake motor from the bracket.

- Unclip the brake hose from the bracket.

Audi Q3. A46-0252

- Remove the bolts -4-.

- Remove the brake caliper with the brake carrier and installed brake pads from the brake rotor. If necessary, push the inner brake pad slightly back.

  Note

If the brake rotor is so worn that the brake caliper cannot be removed, then the parking brake must be adjusted back, refer to → Chapter "Brake Pads, Removing and Installing".

- Hang the brake caliper with the brake carrier on the body with wire.

  Caution

  • Do not let the brake caliper with the brake carrier hang on the brake hose. Do not support the weight with the brake hose.
  • Replace the brake hose if damaged.
  • Do not actuate the brakes or the electromechanical parking brake when the brake caliper is removed.

Installing

Install in reverse order of removal. Note the following:

  Note

  • Replace the brake carrier bolts.
  • Use only mineral spirits to clean the brake caliper.

- Carefully press the brake caliper with the brake carrier and the brake pads installed over the brake rotor.

Audi Q3. N46-10169

- Tighten the new brake carrier bolts -4-.

- Insert the brake hose -16- into the bracket -15-.

  Note

  • Make sure that the wires and brake hose are routed correctly.
  • Make sure the brake hose is not blocked, bent or rubbing against the vehicle.

- Drive the parking brake motor out using the Vehicle diagnostic tester by following the directions on the display.

- Install the rear wheel, refer to → Suspension, Wheels, Steering; Rep. Gr.44; Wheels and Tires.

- Check brake fluid level.

  WARNING

Risk of accident!

  • Before moving vehicle, depress brake pedal several times firmly to properly seat brake pads in their normal operating position.
  • Make sure the brakes are working correctly before driving the vehicle.

Audi Q3. N46-10169

Brake Caliper, Removing and Installing, 2EA, 2EJ, GP1 Brakes

Special tools and workshop equipment required

  • Torque Wrench 1332 40-200Nm -VAG1332-

  Note

In the following description the brake caliper is removed with the brake carrier and pads. The brake hose remains connected.

Removing

  • The parking brake is released.

  Note

Do not disconnect the connectors from the parking brake motors.

- Remove the affected rear wheel, refer to → Suspension, Wheels, Steering; Rep. Gr.44; Wheels and Tires.

- Remove the bolts -arrows- on the brake carrier.

- Remove the brake caliper with brake carrier and brake pads installed from the brake rotor.

  Note

If the brake rotor is so worn that the brake caliper cannot be removed, then the parking brake must be adjusted back, refer to → Chapter "Brake Pads, Removing and Installing, Brakes 2EA, 2EJ, GP1".

  Caution

  • Do not let the brake caliper with the brake carrier hang on the brake hose/wire. Do not support the weight with the brake hose.
  • Replace the brake hose if damaged.
  • Do not actuate the brakes or the electromechanical parking brake when the brake caliper is removed.

- Hang the brake caliper with the brake carrier on the body with wire.

Installing

Install in reverse order of removal. Note the following:

  Note

  • Replace the brake carrier bolts.
  • Use only mineral spirits to clean the brake caliper.

  WARNING

Do not blow out the brake caliper with compressed air.

- Carefully slide the brake caliper with the brake carrier and the brake pads installed over the brake rotor.

Audi Q3. A46-10403

- Tighten the new bolts -arrows- on the brake carrier.

  Note

  • Make sure that the electrical wire and brake hose are routed correctly.
  • Make sure the brake hose is not blocked, bent or rubbing against the vehicle.

- Install the rear wheel, refer to → Suspension, Wheels, Steering; Rep. Gr.44; Wheels and Tires.

- Depress brake pedal firmly several times with vehicle stationary so that the brake piston reaches its operating position.

- Drive the parking brake motor out using the Vehicle diagnostic tester by following the directions on the display.

  WARNING

Risk of accident!

  • Before moving vehicle, depress brake pedal several times firmly to properly seat brake pads in their normal operating position.
  • Make sure the brakes are working correctly before driving the vehicle.

Audi Q3. A46-10403

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