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Home >> Chevy Truck >> 2006 >> Silverado 2500 4WD V8-6.0L (CNG) >> Repair and Diagnosis >> Brakes and Traction Control >> Disc Brake System >> Brake Rotor/Disc >> Service and Repair >> Rear Brake Rotor Replacement (With Single Rear Wheel)

Rear Brake Rotor Replacement (With Single Rear Wheel)



Brake Rotor Replacement - Rear

^ Tools Required
- J 2619-01 Slide Hammer With Adapter
- J 41013 Rotor Resurfacing Kit
- J 42450-A Wheel Hub Resurfacing Kit
- J 46277 Rotor Removal Tool

Caution: Refer to Brake Dust Caution in Service Precautions.

Removal Procedure





1. Release the park brake, if necessary.
2. Inspect the fluid level in the brake master cylinder reservoir.
3. If the fluid level is midway between the maximum - full point, and the minimum allowable level, no fluid needs to be removed from the reservoir before proceeding.
4. If the fluid level is higher than midway between the maximum - full point, and the minimum allowable level, remove fluid to the midway point before proceeding.
5. Remove the tire and wheel assembly.
6. Mark the relationship of the rotor to the hub.
7. Compress the brake caliper pistons.
1. Install a large C-clamp over the top of the caliper housing and against the back of the outboard pad.
2. Slowly tighten the C-clamp until the pistons are pushed completely into the caliper bores.
3. Remove the C-clamp from the caliper.





8. Remove the brake caliper bracket bolts.





Notice: Refer to Brake Caliper Notice in Service Precautions.

9. Remove the caliper and caliper bracket as an assembly. Support the caliper with heavy mechanic's wire or equivalent. DO NOT disconnect the hydraulic brake flexible hose from the caliper.





10. Remove the brake rotor retaining push nuts from the wheel studs, if applicable.
11. It may be necessary to strike the end of the hub or the rotor with a deadblow hammer to separate the rotor from the hub.
12. Remove the rotor by slowly turning the rotor while pulling the rotor away from the axle.





13. If the brake rotor cannot be removed, perform the following:
1. Assemble J-46277 to J 2619-01 .
2. Insert J-46277 between the rotor friction surfaces in the vent section of the rotor. DO NOT place the J-46277 on the rotor friction surface.
3. Using J-46277 and J 2619-01 remove the rotor from the hub.
4. Inspect the park brake components for the following conditions:
^ Bent or broken hold down spring
^ Broken, cracked or worn brake shoe lining
^ Bent or damaged brake shoe
^ Worn, bent or damaged back plate
5. If any of these conditions are found replace the affected parts.

Installation Procedure

Important: Whenever the brake rotor has been separated from the hub/axle flange, any rust or contaminants should be cleaned from the hub/axle flange and the brake rotor mating surfaces. Failure to do this may result in excessive assembled lateral runout (LRO) of the brake rotor, which could lead to brake pulsation.

1. Use the J 42450-A to clean all rust and contaminants from the mating surface of the hub flange.
2. Use the J 41013 to clean all rust and contaminants from the inside diameter of the hat section of the brake rotor to prevent any foreign material from getting between the brake rotor and the hub flange.
3. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
4. Align the rotor to its original position on the hub, if applicable, and install the rotor.
5. If the rotor was removed and installed as part of a brake system repair, measure the assembled lateral runout (LRO) of the rotor to ensure optimum performance of the disc brakes.
6. If the rotor assembled LRO measurement exceeds the specification, bring the LRO to within specifications.





7. Install the brake rotor by slowly turning the rotor while pushing the rotor towards the axle.





8. Install the caliper and caliper bracket as an assembly.





9. Perform the following procedure before installing the caliper bracket bolts.
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
3. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488) to the threads of the bolt.

Notice: Refer to Fastener Notice in Service Precautions.

10. Install the brake caliper bracket bolts.
^ Tighten the bolts to 200 Nm (148 ft. lbs.).
11. Install the tire and wheel assembly.
12. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
13. Slowly release the brake pedal.
14. Wait 15 seconds, then repeat steps 13-14 until a firm pedal is obtained. This will properly seat the caliper pistons and pads.
15. Fill the master cylinder reservoir to the proper level with clean brake fluid, if necessary.
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