Parking Brake System

Special Tools

J-21177-A - Drum To Brake Shoe Clearance Gauge

For equivalent regional tools, refer to Special Tools.

1. Adjustments to the park brake shoe are not necessary after replacing the park brake lever or park brake cables. The park brake is adjusted automatically by cycling the park brake lever 3 times.
2. DO not operate the park brake lever with the rear disc brake rotor(s) removed.
3. Apply and fully release the parking brake 3 times.
4. Verify that the parking brake pedal releases completely.
5. Raise and support the vehicle. Lifting and Jacking the Vehicle
6. Remove the rear tire and wheel assemblies. Tire and Wheel Removal and Installation
7. Remove the rear brake rotors. Rear Brake Rotor Replacement
8. Set the J-21177-A - Drum To Brake Shoe Clearance Gauge inside of the park brake drum at the widest point.
   
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• Place the contacts of the tool at the widest point of the drum (1).
• Tighten the set screw on the tool to ensure the proper measurement when removing the tool from the drum.
9. Position the J-21177-A - Drum To Brake Shoe Clearance Gauge over the park brake shoe (1) at the widest point.
   
   Click for full-size image
   
10. Turn the adjuster on the actuator until the park brake shoe just contacts the J-21177-A - Drum To Brake Shoe Clearance Gauge .
11. Repeat steps 8 - 10 for the opposite side.
12. Install the rear brake rotors. Rear Brake Rotor Replacement
13. Install the rear tire and wheel. Tire and Wheel Removal and Installation
14. Lower the vehicle to curb height.
15. Set and release the park brake lever 3 times.
Note: If the rear wheels rotate during the following test, readjust the parking brake shoes.

16. Apply the parking brake. Inspect the rotation of the rear wheels:
• The wheels should not rotate forward.
• The wheels should not rotate rearward.
17. Release the parking brake.
18. Verify that the wheels rotate freely.
19. Lower the vehicle.