Silverado Classic 2500 2WD V8-6.0L (2007)
7. Install the caliper and caliper bracket as an assembly.
8. 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.
9. Notice: Refer to Fastener Notice in Service Precautions.
Install the brake caliper bracket bolts.
Tighten the bolts to 300 Nm (221 ft. lbs.).
10. Install the front wheel hub extension (dual wheel vehicles only).
1. 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.
2. Align and install the front wheel hub extension to the original position on the hub.
3. Important: Follow the same tightening sequence for the front wheel hub extension that is used on an 8 lug wheel. Refer to Tire and Wheel
Removal and Installation.
Install the front wheel hub extension nuts.
Tighten the nuts to 130 Nm (96 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.
