Chevrolet Silverado / GMC Sierra. Service manual — part 1516

Fig. 27: Installing Piston Into Bore
Courtesy of GENERAL MOTORS CORP.

6. Position a piece of wood across the piston to be installed.

7. Applying equal pressure by hand while pushing down, install the piston in the bore.

8. Remove the piece of wood.

2008 Chevrolet Silverado 1500

2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 28: View Of Bleeder Valve Cap
Courtesy of GENERAL MOTORS CORP.

9. Install the bleeder valve in the brake caliper housing.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Tighten: Tighten the bleeder valve to 12 N.m (106 lb in).

10. Install the bleeder valve cap.

11. Install the brake caliper. Refer to Front Brake Caliper Replacement (JH6, JH7) or

Front Brake Caliper Replacement (JD9, JF3, JF7).

REAR BRAKE CALIPER OVERHAUL (JH6, JH7)

Disassembly Procedure

1. Remove the brake caliper. Refer to Rear Brake Caliper Replacement (JH6, JH7) or

Rear Brake Caliper Replacement (JD9).

2. Drain all the brake fluid from the 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.

CAUTION: Refer to Brake Dust Caution .

CAUTION: Refer to Brake Fluid Irritant Caution .

IMPORTANT: 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.

2008 Chevrolet Silverado 1500

2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 29: Applying Air To Brake Caliper
Courtesy of GENERAL MOTORS CORP.

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.

2008 Chevrolet Silverado 1500

2008 BRAKES Disc Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado