Audi Q5: Brake Caliper, Brake 1LB/1LC/1LE/1LP, Removing and Installing
Special tools and workshop equipment required
- Torque Wrench 1332 40-200Nm -VAG1332-
- Torque Wrench 1332 Insert - Reversible Ratchet -VAG1332/1-
- Piston Resetting Tool -T10145-
Caution
Danger of contamination and paint damage from escaping brake fluid.
- If the brake pads are worn out and brake fluid is filled, the brake fluid may overflow if the pistons in the brake cylinder are pressed back.
- Check the brake fluid level before pressing back the pistons. If there is brake fluid up to the "MAX" mark, some brake fluid will need to be extracted.
- Use the Brake Charger/Bleeder Unit -VAS5234- to extract brake fluid from brake fluid reservoir.
Removing
- Remove affected front wheel. Refer to →Wheel and Tire Guide; Rep. Gr.44.
- Unclip the brake hose from the pivot bearing
- Unclip the brake pad wear wire.
- Remove the bolts -1-.
Note
Pushing the brake pads slightly back with pliers makes it easier to remove the brake caliper from the brake rotor. To avoid damaging the brake caliper, place a piece of rubber or similar material -2- between the brake caliper. Do not damage the existing brake pad wear indicator cable when doing this.
- Carefully remove the brake caliper with the brake pads still installed.
Note
Do not disassemble the brake caliper. Do not loosen any screws on the brake caliper.
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 press the brake pedal when the caliper is removed.
Installing
- Tightening specifications. Refer to → Chapter "Overview - Front Brakes, 1LB, 1LC, 1LE and 1LP".
Note
- Use new bolts. Refer to Parts Catalog.
- Use only mineral spirits or commercially available brake cleaner to clean the brake caliper.
- Clean brake caliper.
- Carefully press the brake caliper with the brake carrier and the installed brake pads over the brake rotor.
- Tighten the brake caliper with the new bolts.
- Install the brake hose into the bracket on the pivot bearing.
- Attach the brake pad wear wire.
- Mount the wheels. Refer to →Wheel and Tire Guide; Rep. Gr.44.
- Check brake fluid level, and fill if necessary.
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.
