Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Install the brake caliper on to the mounting bracket.
- Perform the following procedure before installing the brake caliper guide pin 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 (Canadian P/N 10953488) to the threads of the bolt.
- DO NOT use any air tools to remove or tighten the guide pin bolts. Use hand tools only.
- Install an open end wrench to the guide pin and hold it in line with the caliper while removing or installing the caliper bolts. DO NOT allow the wrench to come in contact with the brake caliper. Allowing the wrench to come in contact with the brake caliper will cause a pulsation when the brake is applied.
- Use an open end wrench to hold the guide pins while tightening the guide pin bolts. Tighten the bolts to 38 N.m (28 lb ft).
- Remove the rubber cap or plug from the exposed brake hose fitting end.
- Install the 2 NEW copper gaskets to the brake hose bolt and the brake hose fitting.
- Install the brake hose to caliper bolt and tighten to 40 N.m (30 lb ft).
- Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure) , Hydraulic Brake System Bleeding (Two-mode Hybrid) , Hydraulic Brake System Bleeding (Manual) .
- Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
- Fill the master cylinder reservoir to the proper level with clean brake fluid, if necessary. Refer to Master Cylinder Reservoir Filling .
CAUTION:
Refer to Fastener Caution .
NOTE: