Sierra 1500 2WD V8-5.3L Hybrid (2004)
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 of the residue from the brake pad guiding surfaces on the brake caliper housing and the brake caliper mounting bracket.
10. Clean all of the parts not included in the repair kit with denatured alcohol.
11. Dry all the parts with non lubricated filtered compressed air.
12. Blow out all passages in the brake caliper housing and the brake caliper bleeder valve.
Assembly Procedure
1. Notice:
Refer to Fastener Notice in Service Precautions.
Install the brake caliper bleed screw.
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Tighten the brake caliper bleed screw to 12 Nm (106 inch lbs.).
2. Install the brake caliper bleed screw cap.
3. Lubricate the new piston seal and the brake caliper bore seal groove with brake fluid.
4. Install the new seal into the brake caliper bore seal groove.
5. Ensure that the seal is not twisted.
6. Lubricate the brake caliper bore and the piston with brake fluid.
7. Install the boot and piston.
1. Install the boot over the end of the piston so that the fold will face toward the brake caliper housing piston bore opening.
2. Seat the boot into the brake caliper bore groove. Slide the piston into the brake caliper bore.
3. Push down the piston to the bottom of the brake caliper bore.
4. Ensure that the boot is properly seats into the piston groove and into the groove in the brake caliper bore.
8. Install the brake caliper to the vehicle.
