Disassembly and Assembly

REAR DRUM BRAKE


Disassembly and Assembly of Wheel Cylinder


WARNING:
Clean dust with a vacuum dust collector to minimize the hazard of air borne particles or other materials.

CAUTION:
- While removing brake shoes, do not depress brake pedal because wheel cylinder pistons will pop out.
- It is not necessary to disconnect brake tube except for disassembly or replacement of wheel cylinder assembly.
- Keep drum free from brake fluid.

DISASSEMBLY
1. Remove the wheel cylinder. Removal and Installation.





2. Remove the boots from the ends of the wheel cylinder and discard the boots.

CAUTION:
Do not reuse the boots.
3. Pull out the pistons from the wheel cylinder.
4. Remove piston cups from the piston and discard the piston cups.

CAUTION:
Do not reuse the piston cups.
5. Remove the bleed valve and cap.

INSPECTION AFTER DISASSEMBLY
Check the pistons, spring, and inner wall of the cylinder for wear, corrosion, and damage. If malfunction is detected, replace it.

ASSEMBLY

CAUTION:
Do not use NISSAN rubber grease (KRE00 00010, KRE00 00011) during assembly.
1. Install the bleed valve and cap, tighten to specification. Component.
2. Apply brake fluid to the piston sliding surface on the wheel cylinder.





3. Apply NISSAN rubber lubricant (KRE12 00030) to the piston cups and boots. Assemble the spring, piston cups, and piston inside the wheel cylinder as shown.

CAUTION:
When inserting the piston, be careful not to scratch the wheel cylinder wall.
4. Install the boots on the wheel cylinder securing them in the grooves as shown.
5. Install the wheel cylinder. Removal and Installation.