Chevrolet Sonic Repair Manual: Drum Brake Adjusting Hardware Replacement (J93, J94)

Removal Procedure

Warning:

Refer to Brake Dust Warning.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
3. Remove the brake drum. Refer to Brake Drum Replacement.



4. Remove the upper brake shoe return spring (1).


5. Remove brake shoe adjuster (1).


6. Remove the brake shoe adjuster actuator lever (1).
7. Inspect the drum brake adjusting hardware and replace any damaged components as necessary. Refer to Drum Brake Adjusting Hardware Inspection.
8. Disassemble the brake shoe adjuster and thoroughly clean the adjuster screw threads of any corrosion.
9. Apply a light coat of high temperature brake lubricant to the brake shoe adjuster screw threads.

Installation Procedure

1. Assemble the brake shoe adjuster, setting the adjuster to the fully retracted position.
2. Clean the drum brake backing plate of any dirt and debris.
3. Apply a light coat of high temperature brake lubricant to the brake drum backing plate shoe contact surfaces.


4. Install the brake shoe adjuster actuator lever (1).


5. Install brake shoe adjuster (1).


6. Install the upper brake shoe return spring (1).
7. Adjust the drum brakes. Refer to Drum Brake Adjustment.
8. Install the brake drum. Refer to Brake Drum Replacement.
9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.