Wheel Cylinder: Service and Repair

Disassembly
1. Remove the brake shoe assembly.
2. Disconnect the brake line using a flare nut wrench. Be prepared to catch escaping fluid.
3. Remove two wheel cylinder mounting bolts. Remove the wheel cylinder.
4. Remove dust boots from each end of the cylinder.
5. Remove all internal parts by pushing them through the cylinder body.
6. Remove the rubber cap, bleeder screw and steel ball.
7. Thoroughly clean the cylinder bore inlet and bleeder ports with isopropyl alcohol. Inspect for corrosion, scoring or ridges.

Notice: Replace the entire wheel cylinder assembly if a problem is found.

Assembly
1. Make sure that all parts are clean and all cleaning solvents have been removed.
2. Coat all internal parts with clean brake fluid.
3. Install internal parts as shown in diagram.
4. Install steel ball, bleeder screw and rubber cap.
5. Install dust boots over each end of the cylinder.
6. Mount cylinder on backing plate and install the two bolts.
Tightening torque: 7 - 9 ft. lbs. (10 - 13 Nm, 1.0 - 1.3 kg-m)
7. Connect brake line. Tighten the brake line flare nuts.
Tightening torque: 9 - 16 ft. lbs. (12 - 22 Nm, 1.3 - 2.2 kg-m)
8. To install brake shoe assembly, refer to Drum Brake System; Service and Repair.