Operation CHARM: Car repair manuals for everyone.

Drum Brake System: Adjustments

^ Tools Required
- J 28662 Brake Pedal Effort Gauge





1. Depress the brake pedal 3 times with 30 kg (66 lbs) of force using the J 28662.
2. Raise and support the vehicle.
3. Rotate each rear tire and wheel assembly in order to inspect the brake shoe drag on the brake drum.
4. If the brake shoe drag on the brake drum is not correct, remove the tire and wheel assembly.
5. Remove the brake drum.
6. Inspect the brake drum.
7. Inspect the brake shoes.
8. Measure the outer diameter of the brake shoes.
9. If the outer diameter of the brake shoes is not within specification, turn the adjuster (2).
10. Install the brake drum.
11. Depress the brake pedal 3 times with 30 kg (66 lbs) of force using the J 28662.
12. Rotate the brake drum in order to inspect the brake shoe drag on the brake drum. Ensure the brake shoe drag on the brake drum is correct.
13. Install the tire and wheel assembly.
14. Lower the vehicle.
15. Inspect the park brake [ever travel.
16. Test the brake system.