Drum Brake System: Service and Repair

Drum Brake Hardware Replacement

^ Tools Required
- J38400 Brake Shoe Spanner and Spring Remover

Caution: Keep fingers away from rear brake shoe springs to prevent fingers from being pinched between spring and shoe web or spring and backing plate.

Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the rear wheel and tire.
3. Remove the brake drum. Refer to Brake Drum Replacement.

Notice: Do not over stretch the adjuster spring. Damage can occur if the spring is over stretched.





4. Disengage the adjuster spring hook end from the tab on the adjuster actuator (1).
5. Remove the straight end of the adjuster spring from the brake shoe.





6. Use J38400 to remove the universal spring from the brake shoes (1).
7. Remove the star adjuster.
8. Remove the park brake actuator lever and wave washer from the brake shoe.
9. Clean all of the drum brake system components with denatured alcohol or equivalent.
10. Inspect all of the drum brake system components. Refer to Drum Brake Hardware Inspection and Drum Brake Adjusting Hardware Inspection.

Installation Procedure
1. Install the park brake actuator lever and wave washer to the brake shoe.
2. Position the hooking center spring section of the universal spring under the tab on the anchor.
3. Install the brake shoe. Position the shoe onto the backing plate.





4. Position the brake shoes (1) and install the universal spring using J38400.
^ Use the J38400 in order to pull up the end of the universal spring (2), resting the spring on the web of the brake shoe.
^ Use the J38400 in order to pull the end of the universal spring over until the spring snaps into the slot in the brake shoe.





5. Lube the threads of the star adjuster and Install the star adjuster assembly (2).
6. Install the straight end of the adjuster spring (3) to the brake shoe.
7. Install the adjuster spring hook end to the tab on the adjuster actuator (1).
8. Adjust the drum brakes. Refer to Drum Brake Adjustment.
9. Install the brake drum. Refer to Brake Drum Replacement.
10. Install the rear wheel and tire.
11. Lower the vehicle.