Brake Caliper: Service and Repair

Brake Caliper/Carrier Assembly

Service Repair No - 70.55.28

Remove
1. Raise front of vehicle.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

2. Remove road wheel.





3. Remove and discard the 2 guide pins from caliper housing.
4. Release caliper housing from caliper carrier and tie aside.





5. Remove 2 brake pads and retainers from caliper carrier.





6. Remove 2 bolts securing caliper carrier and remove carrier.
7. Suitably identify the top and bottom guide pins to their fitted positions, remove guide pins and seals from carrier.

CAUTION: Top and bottom guide pins are not interchangeable, take great care to ensure that they are refitted in their original locations. The lower guide pin has a fluted rubber bush fitted to it.

Refit
1. Clean guide pins and carrier mating faces.
2. Fit guide pins and seals to carrier.
3. Fit carrier, fit bolts and tighten to 100 Nm (74 ft. lbs.).

CAUTION: Top and bottom guide pins are not interchangeable, take great care to ensure that they are refitted in their original locations. The lower guide pin has a fluted rubber bush fitted to it.

4. Rotate disc by hand and scrape all scale and rust from around edge of disc. Clean location surfaces on caliper bracket.
5. Clean dust from brake parts using brake cleaning fluid.

WARNING: Do not use an air line to blow dust from brake assembly. Do not use petroleum based fluid as damage will occur to rubber components.

6. Clean mating faces of caliper and hub.
7. Fit pad retainers to caliper bracket.





8. Fit brake pads to caliper carrier.

NOTE: The leading edge of the pads have chamfers on them, the chamfers are asymmetric. It is imperative that the pads are correctly fitted. Pad 'A' in illustration must be fitted to the inboard side of the caliper. Pad 'B' must be fitted to the outboard side of the caliper.

9. Position caliper housing to carrier, align flats on guide pins with caliper housing.
10. Ensure flats on guide pins locate with lugs on caliper housing. Fit NEW pivot bolts and tighten to 27 Nm (20 ft. lbs.).
11. Fit road wheel(s) and tighten nuts.
12. Remove stands and lower vehicle.