Silverado 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
3. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488) to the threads of the bolt.
5. Notice: Refer to Fastener Notice in Service Precautions.
Install the brake caliper bolts.
Tighten the bolts to 42 Nm (31 ft. lbs.).
6. Remove the rubber cap or plug from the exposed brake hose fitting end.
7. Important: Install 2 NEW copper brake hose gaskets.
Assemble the 2 NEW copper brake hose gaskets to the brake hose bolt and brake hose.
8. Install the brake hose to caliper bolt.
Tighten the bolt to 40 Nm (30 ft. lbs.).
9. Bleed the hydraulic brake system.
10. Install the tire and wheel assembly.
11. Fill the master cylinder reservoir to the proper level with clean brake fluid, if necessary.
W/NYS
Brake Caliper Replacement - Rear (1500 Series w/NYS, 25/3500 Series)
Caution: Refer to Brake Dust Caution in Service Precautions.
Caution: Refer to Brake Fluid Irritant Caution in Service Precautions.
Removal Procedure
1. Inspect the fluid level in the brake master cylinder reservoir.
2. If the fluid level is midway between the maximum - full point, and the minimum allowable level, no fluid needs to be removed from the reservoir
before proceeding.
3. If the fluid level is higher than midway between the maximum - full point, and the minimum allowable level, remove fluid to the midway point
