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Fig. 50: Adjusting Parking Brake Shoes Using Special Tool 2. Position the J 21177-A over the shoe and the lining at the widest point. 3. Turn the adjuster nut until the lining just contacts the J 21177-A . Specification: Park brake shoe to brake rotor clearance: 0.6604 mm (0.026 in) 4. Repeat steps 1-3 for the opposite side. Park Brake Cable Tension Adjustment
2008 Chevrolet Silverado 1500 2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. Verify the self adjuster lock-out pin has been removed. 2. Fully apply and release the park brake pedal 3 times. DESCRIPTION AND OPERATION PARK BRAKE SYSTEM DESCRIPTION AND OPERATION (W/REAR DRUM) System Component Description The park brake system consists of the following: Park Brake Pedal Assembly Receives and transfers park brake system apply input force from driver to park brake cable Park Brake Release Handle Assembly Releases applied park brake system when pulled. Park Brake Cables Transfers input force received from park brake pedal, through park brake cable equalizer, Park Brake Cable Equalizer Evenly distributes input force to both the left and right park brake units. Park Brake Apply Lever Multiplies and transfers input force to park brake actuator/adjuster. System Operation Pressing the Park Brake Pedal creates INPUT FORCE. The INPUT FORCE is transferred and IMPORTANT: Before you adjust the park brake cable tension, verify that the park brake shoes are adjusted to provide a clearance of 0.6604
2008 Chevrolet Silverado 1500 2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
rear brake drums. The levers then multiply the INPUT FORCE and transfer the force to the rear PARK BRAKE SYSTEM DESCRIPTION AND OPERATION (W/REAR DISC) System Component Description The park brake system consists of the following: Park Brake Pedal Assembly Receives and transfers park brake system apply input force from driver to park brake cable Park Brake Release Handle Assembly Releases applied park brake system when pulled. Park Brake Cables Transfers input force received from park brake pedal, through park brake cable equalizer, Park Brake Cable Equalizer Evenly distributes input force to both the left and right park brake units. Park Brake Apply Lever Multiplies and transfers input force to park brake actuator. Park Brake Actuator/Adjuster Uses multiplied input force from apply lever to expand park brake shoe toward the friction Park Brake Shoe
2008 Chevrolet Silverado 1500 2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Applies mechanical output force from park brake actuator to friction surface of the drum-in- System Operation Park brake apply input force is received by the park brake pedal assembly being depressed, SPECIAL TOOLS AND EQUIPMENT SPECIAL TOOLS Illustration Tool Number/ Description J 21177-A Drum-to-Brake Shoe Clearance Gauge J 37043 Parking Brake Cable Release Tool
2008 Chevrolet Silverado 1500 2008 BRAKES Park Brake - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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