Brake Shoes (Rear Drum Brake)

PROCEDURE

Rear drum brake 1 – dust cap; 2 – cotter pin; 3 – serrated lock washer; 4 – nut; 5 – washer; 6 – bearing; 7 – brake drum; 8 – bearing; 9 – oil seal; 10 – belleville washer; 11 – spring; 12 – spring; 13 – lower return spring; 14 – brake shoe; 15 – upper return spring; 16 – spreader bar; 17 – spring; 18 – shoe adjuster lever; 19 – wheel brake cylinder; 20 – bolt; 21 – parking brake cable bracket; 22 – washer; 23 – brake backing plate; 24 – pin; 25 – plug; 26 – bolt; 27 – hub

Parking brake cable 1 – parking brake cable; 2 – parking brake lever

Removal PROCEDURE 1. Perform steps 1–4 of subsection 10.9.1.

2. Remove dust cap 1 (see Rear drum brake illustration). 3. Remove cotter pin 2. 4. Remove serrated lock washer 3. 5. Unscrew nut 4. 6. Remove washer 5 and outer bearing 6 with inner race. 7. Insert a screwdriver into the hole for the brake drum bolts 7, push shoe adjuster lever 18 fully up to release the brake shoes 14, and remove brake drum 7. 8. Remove belleville washers 10 by pressing them in and turning them 90°, while holding pin 24 from the back of brake backing plate 23. 9. Remove springs 11 and pins 24. 10. Mark the position of the springs and spreader bar 16. 11. Disconnect the lower brake shoe retainer 14 using a screwdriver. 12. Remove lower return spring 13. 13. Disconnect parking brake cable 1 (see Parking brake cable illustration) from parking brake lever 2. 14. Disconnect spring 12 (see Rear drum brake illustration). 15. Disconnect upper return spring 15. 16. Remove brake shoes. 17. Clamp the brake shoes by their lower ends in a vise and remove spreader bar 16, shoe adjuster lever 18 and spring 17. Installation PROCEDURE 1. Clean brake drum 7 and backing plate 23 of dirt. 2. Install spring 17 and spreader bar 16 on the corresponding brake shoe. 3. Install shoe adjuster lever 18 so that the lever projection faces the brake backing plate 23. 4. Install the second brake shoe. 5. Install upper return spring 15. 6. Attach parking brake cable 1 (see Parking brake cable illustration) to parking brake lever 2. 7. Install upper ends of brake shoes 14 (see Rear drum brake illustration) into the pistons of wheel cylinder 19. 8. Install lower return spring 13. 9. Install lower ends of brake shoes onto the lower anchors. 10. Install spring 12. 11. Install pins 24. 12. Install springs 11 and belleville washers 10, pressing and turning washers 10 90° with pliers. 13. Install brake drum 7. 14. Press the brake pedal once. 15. Install wheels and start the wheel bolts by hand. 16. Lower the vehicle and tighten the wheel bolts in a diagonal sequence to 110 N·m. WARNING If grease is found on the inside of the brake drum, the bearing oil seal must be replaced.

17. Bleed the brake system. 18. Adjust the parking brake cable.