Chevrolet Silverado / GMC Sierra. Service manual — part 1513

REAR BRAKE CALIPER REPLACEMENT (JH6, JH7)

Fig. 19: Brake Caliper Bracket Bolts
Courtesy of GENERAL MOTORS CORP.

3. Slowly release the brake pedal.

4. Wait 15 seconds, then repeat steps 2-3 until a firm brake pedal is obtained.

This will properly seat the brake caliper piston and the brake pads.

5. Fill the master cylinder to the proper level. Refer to Master Cylinder

Reservoir Filling .

Callout

Component Name

Preliminary Procedures

CAUTION:

Refer to Brake Dust Caution .

CAUTION:

Refer to Brake Fluid Irritant Caution .

2008 Chevrolet Silverado 1500

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

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and

Installation .

1

Brake Hose Fitting Bolt

Tighten: 40 N.m (30 lb ft)

NOTE:

Refer to Fastener Notice .

2

Brake Hose Fitting Gasket (Qty: 2)
Procedure:
Discard the brake hose fitting gaskets and install new gaskets.

3

Rear Brake Hose Fitting
Tip: Plug the brake hose fitting to prevent brake fluid loss and contamination.

4

Brake Caliper Guide Pin Bolt (Qty: 2)
Tip: The upper brake caliper guide pin bolt cannot be removed until the brake
caliper and bracket assembly are removed from the rear axle.
Only loosen the brake caliper upper guide pin bolt.

Tighten: 108 N.m (80 lb ft)

5

Brake Caliper Bracket Bolt (Qty: 2)

Procedure

1. Remove all traces of the adhesive patch on the brake caliper bracket bolts

and threaded holes of the brake caliper bracket.

2. Clean the brake caliper bracket bolt threads and the threaded holes of the

brake caliper bracket with denatured alcohol or equivalent and allow to
dry.

3. Apply threadlocker G/M P/N 12345493 (Canadian P/N 10953488) to 2/3

of the threaded portion of the brake caliper bracket bolts.

Tighten:

JH6: 200 N.m (148 lb in)

JH7: 300 N.m (221 lb ft)

6

Brake Caliper Bracket
Procedure:

2008 Chevrolet Silverado 1500

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

REAR BRAKE CALIPER REPLACEMENT (JD9)

Fig. 20: View Of Rear Brake Caliper Components
Courtesy of GENERAL MOTORS CORP.

Remove the upper brake caliper guide pin bolt.

7

Brake Caliper

Procedure

1. Bleed the hydraulic brake system. Refer to Hydraulic Brake System

Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual) .

2. After the installation is complete and with the engine OFF, gradually

apply the brake pedal to approximately 2/3 of its travel distance.

3. Slowly release the brake pedal.

4. Wait 15 seconds, then repeat steps 2-3 until a firm brake pedal is obtained.

This will properly seat the brake caliper pistons and the brake pads.

5. Fill the master cylinder to the proper level. Refer to Master Cylinder

Reservoir Filling .

Callout

Component Name

CAUTION:

2008 Chevrolet Silverado 1500

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

Preliminary Procedures

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and

Installation .

Refer to Brake Dust Caution .

CAUTION:

Refer to Brake Fluid Irritant Caution .

1

Brake Hose Fitting Bolt

Tighten: 40 N.m (30 lb ft)

NOTE:

Refer to Fastener Notice .

2

Brake Hose Fitting Gasket (Qty: 2)
Procedure:
Discard the brake hose fitting gaskets and install new gaskets.

3

Brake Hose Fitting
Tip: Plug the brake hose fitting to prevent brake fluid loss and contamination.

4

Brake Caliper Guide Pin Bolt (Qty: 2)

Procedure

1. DO NOT use any air tools to remove or install the brake caliper guide pin

bolts. Use hand tools ONLY.

2. Install an open end wrench to hold the caliper guide pin in line with the

brake caliper while removing or installing the caliper guide pin bolts. DO
NOT allow the open end wrench to contact the brake caliper. Allowing
the open end wrench to contact the brake caliper will cause a pulsation
when the brakes are applied.

3. Ensure the brake caliper guide pin seal is fully seated in the groove of the

brake caliper guide pin and the guide pin slides freely in caliper bracket
bore.

Tighten: 38 N.m (28 lb ft)

Brake Caliper

2008 Chevrolet Silverado 1500

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