Chevrolet Silverado / GMC Sierra. Service manual — part 1518

Fig. 33: View Of Piston Dust Seal
Courtesy of GENERAL MOTORS CORP.

4. Install the boot over the end of the piston so the fold will face toward the brake caliper

housing piston bore opening.

2008 Chevrolet Silverado 1500

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

Fig. 34: Installing Piston To Brake Caliper
Courtesy of GENERAL MOTORS CORP.

5. Position the piston to the brake caliper bore and seat the boot into the brake caliper bore

groove.

IMPORTANT: Position the piston in the bore so that it is straight and level.

2008 Chevrolet Silverado 1500

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

Fig. 35: 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. 36: 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