Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
9. Inspect the caliper bracket guide surfaces for corrosion and wear. Remove and replace the caliper bracket, if necessary.
10. Clean all of the residue from the brake pad guiding surfaces on the caliper and the caliper bracket.
11. Clean all the parts not included in the repair kit with denatured alcohol.
12. Dry all the parts with non lubricated filtered compressed air.
13. Blow out all passages in the caliper and the caliper bleeder valve.
Assembly Procedure
1. Notice: Refer to Fastener Notice in Service Precautions.
Install the caliper bleed screw.
Tighten the screw to 12 Nm (106 inch lbs.).
2. Install the caliper bleed screw cap.
3. Lubricate the new piston seals and the brake caliper bore seal grooves with brake fluid.
4. Install NEW seals into the brake caliper bore seal grooves.
5. Ensure that the seals are not twisted.
6. Lubricate the caliper bores and the pistons with brake fluid.
7. Install the boots and pistons.
1. Install the boots over the end of the pistons so that the fold will face toward the brake caliper housing piston bore openings.
2. Seat the boost into the brake caliper bore grooves. Slide the pistons into the brake caliper bores.
3. Push down the pistons to the bottom of the brake caliper bores.
4. Ensure that the boots are properly seated into the piston grooves and into the grooves in the brake caliper bores.
8. Install the brake caliper.