Clutch Slave Cylinder: Service and Repair

Operating Cylinder

REMOVAL
1. Remove the air intake chamber (Non-turbo model).
2. Remove the intercooler. (Turbo model)
3. Remove the clutch hose from operating cylinder.

CAUTION:
^ Cover the hose joint to prevent clutch fluid from flowing out.
^ Do not loosen or remove the cap bolt. (Turbo model and STI model)
^ Non-turbo model

Non-turbo model:

^ Turbo model

Turbo model:

^ STI model

STI model:

4. Remove the operating cylinder from transmission.
^ Non-turbo model

Non-turbo model:

^ Turbo model

Turbo model:

^ STI model

STI model:

INSTALLATION
1. Install in the reverse order of removal.

NOTE:
^ Before installing the operating cylinder, apply grease (KOPR-KOTE: Part No. 003603001)to contact point of the release lever and operating cylinder.
^ For turbo model, bleed air with the operating cylinder attached to clutch hose, and then install it to vehicle.
^ Non-turbo model

Non-turbo model:

^ Turbo model

Turbo model:

^ STI model

STI model:

NOTE:
^ Be sure to install the clutch hose with the mark side facing upward.
^ Be careful not to twist the clutch hose during installation.





2. After bleeding air from the operating cylinder, ensure that clutch operates properly.

DISASSEMBLY

NOTE:
Disassembly for operating cylinder of only 5MT model can be performed. That of 6MT model is a component that cannot be disassembled.

1. Remove the boot and push rod.
^ Non-turbo model

Non-turbo model:

^ Except Non-turbo model and STI model

Except Non-turbo model And STI Model:

2. Apply compressed air through the clutch hose attaching hole.

NOTE:
Face the piston hole downward and place a wooden block to prevent the piston from jumping out.

^ Non-turbo model

Non-turbo model:

^ Except Non-turbo model and STI model

Except Non-turbo model and STI model:

3. Separate the piston and piston spring.
^ Non-turbo model

Non-turbo Model:

^ Except Non-turbo model and STI model

Except Non-turbo model and STI model:

ASSEMBLY

NOTE:
^ Keep applying working fluid to all the parts during assembly.
^ Assembly for operating cylinder of only 5MT model can be performed. That of 6MT model is a component that cannot be disassembled.

Recommended clutch fluid:
FMVSS No. 116, fresh DOT3 or 4 brake fluid
1. Install the piston spring to piston.
^ Non-turbo model

Non-turbo Model:

^ Except Non-turbo model and STI model

Except Non-turbo model and STI model:

2. Insert the piston into operating cylinder.
3. Install the push rod to boot.
4. Install the boot and push rod to operating cylinder.
^ Non-turbo model

Non-turbo Model:

^ Except Non-turbo model and STI model

Except Non-turbo model and STI model:

INSPECTION
1. Check the operating cylinder for damage. If operating cylinder is damaged, replace it.
2. Check the operating cylinder for fluid leakage or damage on boot. If any leakage or damage is found, replace the operating cylinder.