Tools Required

J 21177-A Drum-to-Brake Shoe Clearance Gage

Caution: Refer to Brake Dust Caution in the Preface section.

1. Release the tension from the park brake cable system. Refer to Parking Brake Cable Adjuster Disabling in Park Brake.
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
3. Remove the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
4. Remove the brake drums. Refer to Brake Drum Replacement .



5. Position the J 21177-A to widest point of the brake drum inside diameter.
6. Firmly hand tighten the set screw on the J 21177-A .



7. Remove the J 21177-A from the brake drum and position it over the corresponding brake shoe assembly at its widest point.
8. While holding the J 21177-A in position, insert a 0.635 mm (0.025 in) feeler gage between one side of the J 21177-A , and the corresponding brake shoe.
9. Rotate the brake shoe adjuster screw until the brake shoes contact the J 21177-A , and the feeler gage.

Specification
Brake shoe-to-drum clearance: 0.635 mm (0.025 in).

10. Repeat the above steps for the opposite brake drum and brake shoe assembly.
11. Install the brake drums. Refer to Brake Drum Replacement .
12. Restore the tension to the park brake cable system. Refer to Parking Brake Cable Adjuster Enabling in Park Brake.
13. Adjust the park brake. Refer to Park Brake Adjustment in Park Brake.
14. Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
15. Lower the vehicle.