Wheel Cylinder: Service and Repair

REMOVAL
1) Perform steps 1) to 6) of Brake Drum Removal.
Service and Repair
2) Perform steps 2) to 4) of Brake Shoe Removal.
Service and Repair





3) Loosen brake pipe flare nut but only within the extent that fluid does not leak.





4) Remove wheel cylinder mounting bolts. Disconnect brake pipe from wheel cylinder and put bleeder plug cap onto pipe to prevent fluid from spilling.





INSTALLATION
1) Apply water tight sealant to joint seam of wheel cylinder and brake back plate. Then take off breather plug cap from brake pipe and connect pipe to wheel cylinder just enough to prevent fluid from leaking.

"A": Sealant 99000-31090





2) Tighten wheel cylinder to brake back plate to specified torque.

Tightening Torque
(a): 12 Nm (1.2 kg-m, 9.0 ft. lbs.)

3) Torque flare nut of brake pipe which was connected in step 1) to specification.

Tightening Torque
(b): 16 Nm (1.6 kg-m, 11.5 ft. lbs.)

4) Install bleeder plug cap taken off from pipe back to bleeder plug.

5) Install brake shoes, referring to steps 1) and 2) of Installation.
6) Install brake drum, refering to steps 1) to 4) of its Installation.
7) Fill reservoir with brake fluid and bleed brake system.
8) Upon completion of all jobs, depress brake pedal with about 30 kg (66 lbs.) load three to five times so as to obtain proper drum-to-shoe clearance.

Adjust parking brake cable.
9) Install parking brake lever cover.





10) Install wheel and tighten wheel nuts to specified torque.

Tightening Torque
(c): 85 N.m (8.5 kg-m, 61.5 ft. lbs.)

11) Check to ensure that brake drum is free from dragging and proper braking is obtained. Then remove car from hoist and perform brake test (foot brake and parking brake).
12) Check each installed part for oil leakage.