C 2500 Truck 2WD V8-8.1L VIN G (2002)
Notice: Whenever the brake rotor has been separated from the wheel bearing flange, clean any rust or foreign material from the mating surface of the
rotor and flange with the J42450 hub cleaning kit. Failure to do this may result in increased lateral runout of the rotor and brake pulsation.
1. Use the J42450-A to clean all rust and contaminants from the mating surface of the hub flange.
2. Use the J41013 to clean all rust and contaminants from the inside diameter of the brake rotor to prevent any foreign material from getting between
the brake rotor and the hub flange.
Important: If the rotor was removed using the jack screw method you must ensure that the hub flange is free of nicks or marks caused by this
procedure. Remove all raised nicks or marks before installing the rotor.
3. Align the rotor to its original position on the hub (if applicable) and install the rotor.
4. Install the caliper and caliper bracket assembly.
5. Perform the following procedure before installing the brake caliper bracket mounting bolts.
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Remove all traces of the original adhesive patch .
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Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
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Apply Threadlock GM P/N 12345493 (Canadian P/N 10953486) to the threads of the bolt.
Notice: Refer to Fastener Notice in Service Precautions.
6. Install the caliper bracket mounting bolts.
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Tighten the brake caliper bracket mounting bolts to 175 Nm (121 ft. lbs.) (15 Series).
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Tighten the brake caliper bracket mounting bolts to 300 Nm (221 ft. lbs.) (25 and 35 Series).
7. Install the front wheel hub extension (dual wheel vehicles only).
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Insert a drift or large screwdriver through the brake caliper into one of the brake rotor vanes in order to prevent the rotor from turning.
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Align and install the front wheel hub extension to the original position on the hub.
Important: Follow the same tightening sequence for the front wheel hub extension that is used on an eight lug wheel.
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Install the front wheel hub extension nuts.
Tighten the front wheel hub extension nuts to 130 Nm (96 ft. lbs.).
8. Install the tire and wheel assembly.
9. Lower the vehicle.
10. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
11. Slowly release the brake pedal.
12. Wait 15 seconds, then repeat steps 10-11 until a firm pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
13. Fill the master cylinder reservoir to the proper level with clean brake fluid.
Rear (Except Dual Wheels)
Brake Rotor Replacement - Rear (Except Dual Wheels)
Tools Required
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J41013 Rotor Resurfacing Kit
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J42450-A Wheel Hub Resurfacing Kit
Caution: Refer to Brake Dust Caution in Service Precautions.
Removal Procedure
