C 3500 Truck 2WD V8-6.0L VIN U (2001)
1. Clean all rust and contaminants from the mating surfaces of the brake rotor and the hub flange.
2. 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.
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 assembly.
5. Perform the following procedure before installing the brake caliper bracket mounting bolts.
^
Remove all traces of the original adhesive patch.
^
Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
^
Apply Threadlocker GM P/N 12345493 or RED LOCTITE #272 to the threads of the bolt.
Notice: Refer to Fastener Notice in Service Precautions.
6. Install the caliper bracket mounting bolts.
^
Tighten the brake caliper bracket mounting bolts to 175 Nm (121 ft. lbs.) (15 Series).
^
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).
^
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.
^
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.
^
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. Remove the safety stands.
10. Lower the vehicle.
11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of it's travel distance.
12. Slowly release the brake pedal.
13. Wait 15 seconds, then repeat steps 11-12 until a firm pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
14. Fill the master cylinder reservoir to the proper level with clean brake fluid.
