Sierra 1500 2WD V8-5.3L Hybrid (2004)
10. Install the front wheel hub extension (dual wheel vehicles only).
0. 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.
1. Align and install the front wheel hub extension to the original position on the hub.
2. 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.
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Tighten the front wheel hub extension nuts to 130 Nm (96 ft. lbs.).
11. Install the tire and wheel assembly.
12. Lower the vehicle.
13. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
14. Slowly release the brake pedal.
15. Wait 15 seconds, then repeat steps 13-14 until a firm pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
16. Fill the master cylinder reservoir to the proper level with clean brake fluid. Refer to Master Cylinder Reservoir Filling in Hydraulic Brakes.
