OEM 2008 GMC Yukon Brake Caliper Bracket

2008 GMC Yukon Parts Questions & Experts Answers

• Q: How to replace the rear brake caliper bracket on the 2500 Series on 2008 GMC Yukon?

  A: Before replacing the rear Brake Caliper Bracket of a 2500 series check the brake master cylinder reservoir fluid and if the level exceeds the midway mark drain the fluid down to that level. Check the fluid level in the reservoir before starting any work. Remove fluid to reach the midway point if it exceeds that mark. The vehicle must be supported before removing the tire assembly along with the wheel. Use a large c-clamp to squeeze the caliper pistons while pushing the clamp against the back of the outboard pad until all pistons sit fully back inside the housing. Verify release of guide pin bolts on the rear brake caliper before uninstalling Brake Caliper Bracket mounting bolts for removal of the assembled caliper bracket and brake caliper while using heavy mechanic wire to support the caliper to avoid hydraulic flexible brake hose damage. Begin by taking out guide pin bolts from caliper bracket then pads followed immediately by springs. Install the retaining springs onto the caliper bracket before installing the brake pads followed by the caliper on the bracket. Begin by installing brake caliper guide pin bolts to caliper bracket without torque then mount caliper bracket with caliper as one piece. Prior to bracket bolt installation remove any factory adhesive patch from the caliper bracket while cleaning threads with denatured alcohol before using threadlocker gm p/n 12345493 (Canadian P/N 10953488). Fitting and torquing to 200 n.m (148 lb ft) the Brake Caliper Bracket mounting bolts comes before torquing the brake caliper guide pin bolts to 108 n.m (80 lb ft). Apply the brake pedal to 2/3 of its travel distance after engine shutdown and slowly release it before repeating this procedure until a firm pedal confirms proper Brake Caliper Piston engagement and pad seating. It concludes with bracket fluid top-up to appropriate levels with pure brake fluid.