Sierra Denali RWD V8-6.2L (2009)
Rear Brake Caliper Overhaul (JH6, JH7)
Warning: Refer to Brake Dust Warning (See: Service Precautions/Technician Safety Information/Brake Dust Warning) .
Warning: Refer to Brake Fluid Irritant Warning (See: Service Precautions/Technician Safety Information/Brake Fluid Irritant Warning) .
Disassembly Procedure
1. Remove the brake caliper. Refer to Rear Brake Caliper Replacement (JD9) (See: Removal and Replacement/Rear Brake Caliper Replacement
(JD9))Rear Brake Caliper Replacement (JH6, JH7) (See: Removal and Replacement/Rear Brake Caliper Replacement (JH6, JH7)) .
2. Drain all the brake fluid from the caliper.
Note
The brake calipers use phenolic pistons with stainless steel caps which contact the brake pads. Use compressed air to remove the piston from the brake
caliper.
3. Secure the brake caliper in a suitable holding device.
4. Insert a piece of wood in the brake caliper between the pistons and the outer bridge.
5. Cover the brake caliper with a shop towel.
6. Apply filtered, non-lubricated compressed air into the brake hose inlet fitting port of the brake caliper.
