Chevrolet Silverado / GMC Sierra. Manual — part 2684
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Hold the pedal in the FULL upward position.
3. Pull rearward on the front park brake cable until the pedal drum (2) reaches its full reset
position.
4. Insert a thin tool (1) on an upward angle through the hole in the front of the pedal assembly,
past the retracted pedal drum, and into the hole in the back of the pedal assembly (3).
5. Slowly release the cable.
6. Remove the component that requires service.
PARKING BRAKE CABLE ADJUSTER ENABLING
1. Hold the park brake pedal in the FULL upward position.
2008 Chevrolet Silverado 1500
2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 46: Screwdriver, Pedal Drum & Pedal Assembly
Courtesy of GENERAL MOTORS CORP.
2. Pull rearward on the front park brake cable until the tension is released from the tool (1)
installed in the pedal assembly.
3. Remove the tool (1).
2008 Chevrolet Silverado 1500
2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
4. Slowly release the park brake cable until it returns to its original position.
5. Release the park brake pedal.
6. Lower the vehicle.
7. Apply and release the park brake pedal 3 times.
PARKING BRAKE ACTUATOR REPLACEMENT (JD9)
Fig. 47: View Of Parking Brake Actuator (JD9)
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Disable the park brake cable automatic adjuster. Refer to Parking Brake Cable
Adjuster Disabling.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove the park brake shoe. Refer to Parking Brake Shoe Replacement (JD9) or
CAUTION:
Refer to Brake Dust Caution .
2008 Chevrolet Silverado 1500
2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
PARK BRAKE BACKING PLATE REPLACEMENT
Fig. 48: View Of Park Brake Backing Plate
Courtesy of GENERAL MOTORS CORP.
Parking Brake Shoe Replacement (JH6, JH7).
4. Disconnect the park brake cable from the actuator lever.
1
Park Brake Shoe Actuator
2
Park Brake Actuator Lever Push Rod
3
Park Brake Actuator Adjuster Screw
4
Park Brake Lever Release Pawl
5
Park Brake Actuator Return Spring
Procedure
1. Rotate the park brake adjuster screw until the adjuster is fully retracted.
2. Enable the park brake cable automatic adjuster. Refer to Parking Brake
Cable Adjuster Enabling.
3. Adjust the park brake. Refer to Park Brake Adjustment (Drum Brake)
or Park Brake Adjustment (Disc Brake).
Callout
Component Name
2008 Chevrolet Silverado 1500
2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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