K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
in serious injury.
1. Remove the brake caliper from the vehicle. Refer to Brake Caliper Replacement - Rear .
2. Place a thin piece of wood in front of the piston in order to prevent damage. Remove the piston by directing compressed air into the brake hose
inlet fitting port of the brake caliper housing.
3. Remove the piston boot.
4. Remove the piston seal.
5. Remove the brake caliper bleed screw cap.
6. Remove the brake caliper bleed screw.
7. Inspect the brake caliper bore and the piston seal groove for scoring and corrosion. If you find excessive scoring or corrosion around the piston
seal area, replace the brake caliper housing.
8. Inspect the brake caliper mounting bracket guide surfaces for corrosion and wear. Remove and replace the brake caliper mounting bracket if
needed.
9. Clean all the residue from the brake pad guiding surfaces on the brake caliper housing and the brake caliper mounting bracket.
10. Clean all the parts not included in the repair kit with denatured alcohol.
11. Dry all the parts with filtered unlubricated compressed air.
12. Blow out all passages in the brake caliper housing and the brake caliper bleeder valve.
Assembly Procedure
Note: Refer to Fastener Notice in Cautions and Notices.
