Removal Procedure
^ Tools Required- J 38400 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.
Notice:
^ Do not pry against the splash shield or backing plate in attempt to free the drum. This will bend the splash shield or backing plate. A bent backing plate may cause brake chatter and/or pulsation.
^ Do not over stretch the Adjuster spring. Damage can occur if the spring is over stretched.
1. Raise and suitably support the vehicle.
2. Mark the relationship of the wheel to the axle flange.
3. Remove the tire and the wheel.
4. Mark the relationship of the drum to the axle flange.
5. Remove the brake drum. If difficulty is encountered in removing the brake drum, the following steps may be of assistance:
5.1. Remove the retainer clip
5.2. Verify that the parking brake is released
5.3. Back off the parking brake cable adjustment
5.4. Remove the access hole plug from the backing plate (1)
5.5. Use a flat bladed tool (2) in order to back off the adjusting screw
5.6. Reinstall the access hole plug in order to prevent dirt or contamination from entering the drum brake
5.7. Apply a small amount of penetrating oil around the drum pilot hole
6. Remove the adjuster spring (1). Use the J 38400 in order to pry the loop end of the adjuster spring from the adjuster actuator. Then disengage the adjuster spring from the web of the parking brake shoe.
7. Remove the lift end of the return spring (2) from the adjuster shoe and the lining (1).
8. Insert the hook end of the J 38400 between the return spring and the adjuster shoe web.
9. Pry or twist the J 38400 in order to lift the end of the spring (2) out of the shoe web hole.
10. Pry the end of the return spring (2) toward the axle with the flat edge of the J 38400 until the return spring snaps down off the shoe web onto the backing plate.
11. Remove the adjuster actuator (1) from the following components:
^ The brake shoe
^ The brake lining (4, 5)
^ The adjusting screw (2)
12. Remove the parking brake lever (3) from the parking brake shoe and the parking brake lining. Do not remove the parking brake cable from the parking brake lever unless the parking brake lever is to be replaced.
13. Lift the end of the return spring (2) from the parking brake shoe and the parking brake lining (1). Insert the hook end of the J 38400 between the return spring and the parking brake shoe web. Pry or twist the J 38400 in order to lift the end of the spring out of the shoe web hole.
14. Pry the end of the return spring (2) toward the axle with the flat edge of the J 38400 until it snaps down off the shoe web onto the backing plate.
15. Remove the parking brake shoe and the parking brake lining.
16. Remove the return spring from the backing plate. If only the shoes and linings are being replaced, do not remove the return spring.
17. Clean all parts in clean denatured alcohol.
18. Inspect and replace any parts that are of doubtful strength or quality due to the following conditions:
^ Discoloration from heat
^ Over stress
^ The parts are worn
19. Inspect the wheel cylinder for the following conditions:
^ Leakage
^ Cut or damaged boots
20. Do not attempt to repair the wheel cylinder. Replace the wheel cylinder, refer to Wheel Cylinder Replacement.