Wheel Cylinder: Service and Repair
4. Remove the dust boot.
5. Remove the piston and piston cup.
6. Drive out the return spring.
7. Before assembling the wheel cylinder, inspect the following points.
1) Check the cylinder and piston for wear, damage and rust.
2) Check the cylinder body for damage and cracks.
3) Check the contact surface of the piston and shoes for wear.
4) Check the piston spring for looseness.
8. Assembly is the reverse of the removal procedure.
NOTE
1) Clean the cylinder and inner part with isopropyl alcohol before assembly.
2) Apply enough brake fluid to piston cups and cylinder.
3) Be sure to use new piston cups and dust boots.
NOTE Be careful not to lose the steel ball in the bleeder.