6MT Model

NOTE: Bleed air from the oil line with help of a co-worker.

Remove the intercooler. <Ref. to REMOVAL , Intercooler .>
Fit one end of a vinyl tube to the air bleeder of the master cylinder, and put the other end into a brake fluid container.
Remove the operating cylinder.
NOTE: Do not remove the clutch hose.

Fig 1: Locating Operating Cylinder Bolts
Courtesy of SUBARU OF AMERICA, INC.
Hold the piston with a clamp to prevent piston from popping out.

Fig 2: Holding Piston With Clamp
Courtesy of SUBARU OF AMERICA, INC.
Fit one end of a vinyl tube into the air bleeder of the operating cylinder, and put the other end into a brake fluid container.
Slowly depress the clutch pedal and keep it depressed. Then open the air bleeder to discharge air together with the fluid.
Release the air bleeder for 1 or 2 seconds. Next, with the bleeder closed, slowly release the clutch pedal.

NOTE: When performing this procedure, place the screw portion of the air bleeder higher than the end of operating cylinder.

Fig 3: Opening Air Bleeder
Courtesy of SUBARU OF AMERICA, INC.
Repeat these steps until there are no more air bubbles in the vinyl tube.
CAUTION: Cover the bleeder with cloth to prevent brake fluid from being splashed on surrounding parts when loosening the bleeder.
Tighten the air bleeder.
Tightening torque:

8 N.m (0.8 kgf-m, 5.8 ft-lb)
Install the operating cylinder.
Tightening torque:

41 N.m (4.2 kgf-m, 30.2 ft-lb)

Fig 4: Locating Operating Cylinder Bolts
Courtesy of SUBARU OF AMERICA, INC.
After depressing the clutch pedal, make sure that there are no leaks evident in the entire system.
After bleeding air from system, ensure that the clutch operates properly.
Install the intercooler. <Ref. to INSTALLATION , Intercooler .>