The procedure is to prepare the bolts and the threaded holes for assembly, apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to two-thirds of the threaded length of the caliper to knuckle mounting bolts, allow the threadlocker to cure approximately ten minutes before installation, apply a thin coat of high-temperature silicone brake lubricant to the brake caliper pin, install the brake caliper bolts, remove the plug from the brake caliper opening and the brake hose, assemble the new copper brake hose gaskets, and the brake hose fitting bolt to the brake hose, install the brake hose and the brake hose fitting bolt to the brake caliper, bleed the hydraulic brake system, apply the brake pedal to approximately 2/3 of its travel distance, release the brake pedal, repeat steps 10 and 11 until a firm brake pedal apply is obtained, install the tire and wheel assembly, lower the vehicle.
By BobGM Specialist
29/10/2022