Backing Plate: Service and Repair

Removal
1. Perform steps 1. to 5. of BRAKE DRUM REMOVAL.
2. Perform steps 2. to 4. of BRAKE SHOE REMOVAL.
3. Perform steps 3. and 4. of WHEEL CYLINDER REMOVAL.





4. Remove cable (3) from brake back plate (1) by squeezing parking brake cable stopper ring (2).
5. Drain rear differential gear oil.





6. Remove wheel bearing retainer nuts (1) from rear axle housing.





7. Using special tools, draw out rear axle shaft with brake back plate.
Special tool
(A): 09943-35512
(B): 09942-15510





8. Remove brake back plate (3) from rear axle shaft (1).

Installation





1. Apply sealant "A" to mating surface of bearing retainer with brake back plate.

NOTE: Make sure to remove old sealant before applying it anew.

"A": Sealant 99000-31110





2. Install brake back plate (3) to rear axle shaft (1).





3. Apply sealant "A" to joint seam of rear axle housing (1) and brake back plate.

NOTE: Make sure to remove old sealant before applying it anew.

"A": Sealant 99000-31110
4. Install rear axle shaft to rear axle housing.





5. Tighten brake back plate nuts to specified torque.
Tightening torque
Brake back plate nut (a): 23 Nm (2.3 kgf-m, 17.0 ft. lbs.)
6. Install wheel cylinder, and tighten wheel cylinder bolts and brake pipe flare nut (or nuts) to specified torque.





7. Install parking brake cable (3) to brake back plate (1).
8. Install brake shoes.
9. Install brake drum.
10. Refill differential housing with new specified gear oil.
11. Fill reservoir with brake fluid and bleed brake system.





12. Install wheel and tighten wheel nuts to specified torque.
Tightening torque
Wheel nut (b): 100 Nm (10.0 kgf-m, 72.5 ft. lbs.)
13. Upon completion of all jobs, depress brake pedal with about 30 kg (66 lbs.) load three to ten times so as to obtain proper drum-to shoe clearance.
Adjust parking brake cable.
14. Tighten parking brake lever cover screws.
15. Check to ensure that brake drum is free from dragging and proper braking is obtained. Then remove vehicle from hoist and perform brake test (foot brake and parking brake).
16. Check each installed part for oil leakage.