Tools Required

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
3. Remove the brake drum. Mark the relationship of the drum to the axle flange in order to ensure proper balance upon reassembly.



4. Remove the top springs (8) using the J 8049 .
5. Remove the retractor spring (6) using the J 8049 .
6. Remove the parkbrake equalization lever (7).
7. Disconnect the park brake cable.
8. Remove the shoe and lining assemblies (1).
9. Remove the adjusting screw assembly (9-11)

•	Replace any parts that show discoloration from heat, over-stress, or wear.

•	Disassemble, thoroughly clean, and lubricate the adjusting screw (10) assembly before reinstallation.

•	Clean the adjusting screw threads with a wire brush.

•	Wash all of the components in clean denatured alcohol.

•	Apply brake lubricant GM P/N 1052196 (or equivalent) to the adjusting screw threads, inside the diameter of the socket, and the socket face.

•	Apply lubricant until a continuous bead of lubricant is at the open end of the pivot nut and the socket when the threads are fully engaged.

•	Lubricate the 6 pads on the backing plate (5) where the brake shoes contact the backing plate.

10. Inspect the threads of the adjusting screw for smooth rotation over the full length of the screw.

1. Install the park brake equalization lever (7).
2. Install the retractor spring (6) using the J 8049 .
3. Install the top spring (8) using the J 8049 .
4. Install the adjusting screw assembly (9-11).
5. Connect the park brake cable.
6. Install the shoe and lining assemblies (1).
7. Adjust the brakes. Refer to Drum Brake Adjustment .
8. Install the brake drum. Align the drum to the marks made during removal.
9. Install the tire and wheel assembly. Refer to Wheel Installation in Tires and Wheels.
10. Lower the vehicle.