Rear Brake Rotor Replacement (JH9)

Rear Brake Rotor Replacement (JH9)

Removal Procedure

Warning:
Refer to Brake Dust Warning Brake Dust Warning.


1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.

2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Service and Repair.





Note:
Do not remove the brake caliper guide pins unless replacement is required.

3. Remove the brake caliper bracket bolts (1).





4. Remove the brake caliper and bracket assembly (1) and support with heavy mechanics wire or equivalent.

5. Remove the rear axle shaft and hub. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement Rear Axle Hub, Bearing, Cup, and/or Seal Replacement.

It is not necessary to remove the bearings and cups from the hub unless replacement is required.





6. Remove the brake rotor and hub assembly (1) from the rear axle.





7. Mark the relationship of the hub to the rotor.

8. Using a hydraulic press, press the wheel studs (1) from the hub and rotor assembly.





9. Separate the hub (1) from the brake rotor.

10. Using a stiff brush, clean any loose debris and corrosion from the mating surfaces of the brake rotor and the rear axle hub.

Installation Procedure





1. Install the hub (1) to the brake rotor.





2. Install the rear axle hub to the brake rotor.

Align the matchmarks on the rear axle hub to the brake rotor.

3. Using a hydraulic press, press the wheel studs (1) in the hub and rotor assembly.

4. Prepare the brake caliper bracket bolts and the rear axle threaded holes for assembly.

* Clean the brake caliper bracket bolts of any threadlocker residue

* Clean the rear axle threaded holes of any threadlocker residue with denatured alcohol and allow to dry

5. Apply threadlocker GM P/N 89021297 (Canadian P/N 10953488) to 2/3 of the threaded length of the brake caliper bracket bolt.

6. Allow the threadlocker to cure approximately 10 minutes before assembly.





7. Position the brake caliper and bracket assembly (1) to the rear axle.





Caution:
Refer to Fastener Caution Fastener Caution.

8. Install the brake caliper bracket bolts (1) and tighten to 300 Nm (221 lb ft).

9. Adjust the park brake, if necessary. Refer to Parking Brake Adjustment (With Dual Rear Wheel) Parking Brake Adjustment (With Dual Rear Wheel)Parking Brake Adjustment (Without Dual Rear Wheel) Parking Brake Adjustment (Without Dual Rear Wheel).

10. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Service and Repair.

11. If the brake rotor was refinished or replaced, burnish the brake pads and rotors. Refer to Brake Pad and Rotor Burnishing Procedures.