Chevrolet Silverado / GMC Sierra. Service manual — part 1568

DRUM BRAKE ADJUSTING HARDWARE REPLACEMENT

Installation .

3. Remove the brake shoes. Refer to Brake Shoe Replacement.

4. Remove the wheel cylinder. Refer to Wheel Cylinder Replacement.

5. Remove the park brake cable from the brake backing plate. Refer to Parking Brake

Rear Cable Replacement - Left Side (JF3, JF7) or Parking Brake Rear Cable
Replacement - Left Side (JD9) or Parking Brake Rear Cable Replacement -
Right Side (JF3, JF7) or Parking Brake Rear Cable Replacement - Right Side
(JD9) .

6. Remove the rear axle shaft. Refer to Rear Axle Shaft Replacement (8.6 Inch Axle

w/Drum Brake w/VSES) or Rear Axle Shaft Replacement (8.6 Inch Axle
w/Drum Brakes w/o VSES) or Rear Axle Shaft Replacement (8.6, 9.5 Inch Axles
w/VSES) .

1

Brake Backing Plate Bolt (Qty: 4)

Tighten: 135 N.m (100 lb ft)

NOTE:

Refer to Fastener Notice .

2

Brake Backing Plate

2008 Chevrolet Silverado 1500

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

Fig. 6: View Of Drum Brake Adjusting Hardware
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

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 .

3. Remove the brake drum. Refer to Brake Drum Replacement.

CAUTION:

Refer to Brake Dust Caution .

1

Adjuster Spring
Tip: Retract the brake shoe adjuster to ease removal of the adjuster spring.
Refer to Drum Brake Adjustment.

2

Adjuster Lever

Brake Shoe Adjuster

Procedure

2008 Chevrolet Silverado 1500

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

WHEEL CYLINDER REPLACEMENT

Fig. 7: View Of Wheel Cylinder
Courtesy of GENERAL MOTORS CORP.

3

1. Clean and apply high temperature brake lubricant to the adjuster threads.

2. Adjust the drum brakes. Refer to Drum Brake Adjustment.

Callout

Component Name

Preliminary Procedures

CAUTION:

Refer to Brake Dust Caution .

CAUTION:

Refer to Brake Fluid Irritant Caution .

2008 Chevrolet Silverado 1500

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

DRUM BRAKE ADJUSTMENT

Tools Required

J 21177-A Drum to Brake Shoe Clearance Gage. See Special Tools.

J 42450-A Wheel Hub Resurfacing Kit

Adjustment

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 .

3. Remove the brake shoes. Refer to Brake Shoe Replacement.

1

Brake Pipe Fitting

Tip: Cap the brake pipe fitting to prevent brake fluid loss and contamination.

Tighten: 19 N.m (14 lb ft)

NOTE:

Refer to Fastener Notice .

2

Wheel Cylinder Bolt (Qty: 2)

Tighten: 18 N.m (13 lb ft)

3

Wheel Cylinder

Procedure

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

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

2. Adjust the drum brakes. Refer to Drum Brake Adjustment.

3. Fill the master cylinder reservoir to the proper level. Refer to Master

Cylinder Reservoir Filling .

CAUTION: Refer to Brake Dust Caution .

2008 Chevrolet Silverado 1500

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