Wheel Cylinder: Service and Repair

REAR DRUM BRAKE


Disassembly and Assembly


DISASSEMBLY
1. Remove the boot from wheel cylinder. Exploded View.
2. Remove the piston, piston cup and spring from wheel cylinder.

CAUTION:
Pull the piston out from the wheel cylinder to prevent the wheel cylinder inner wall from being damaged.
3. Remove boot and piston cup from piston.

ASSEMBLY





1. Apply polyglycol ether based lubricant to the piston cup (1) and boot (2), and install them to piston (3).

CAUTION:
- Never mistake the direction.
- Never reuse piston cup and boot.
2. Apply brake fluid to piston and wheel cylinder inner wall, and install spring and piston to wheel cylinder.

CAUTION:
Never damage the wheel cylinder inner wall.
3. Install the boot to wheel cylinder. Exploded View.