Clutch Master Cylinder: Service and Repair

DISASSEMBLY





1. Remove the piston stop ring.
2. Pull out the push rod and piston.
3. Remove the reservoir band, reservoir cap and reservoir.

CAUTION
1) Use cam not to damage the master cylinder body and piston assembly.
2) Do not disassemble the piston assembly.

INSPECTION





1. Check the inside of the cylinder body for rust pitting or scoring.
2. Check the piston cup for wear or deformation.
3. Check the piston for rust, pitting or scoring.
4. Measure the master cylinder inside diameter with a cviinder gauge and the piston outside diameter with a microrneter.

NOTE Measure the inside diameter of the master cylinder at three places (bottom, middle, and top), in perpendicular directions.

5. The master cylinder-to-piston clearance exceeds the limit, replace the master cylinder and/or piston assembly.

Limit: 0.15 mm (0.006 in.)

REASSEMBLY





1. After installing the reservoir to the master cylinder body, install the reservoir clamp within the range shown by the arrow in the illustration.





2. Apply the specified fluid to the inner surface of the cylinder body and to the outside of the piston assembly.

Specified fluid : SAE J 1703 (DOT 3)