Impreza WRX F4-2.0L DOHC Turbo (2004)
1) Turn the lock nuts until clutch pedal full stroke length is within specifications.
CAUTION: Do not attempt to turn the clutch switch to adjust clutch pedal full stroke length.
NOTE: If the lock nuts cannot adjust the clutch pedal full stroke length to specifications, turn the master cylinder push rod to adjust it.
Specified clutch pedal full stroke:
A 130 - 135 mm (5.12 - 5.31 inch)
Tightening torque (Clutch switch lock nut):
T: 8 Nm (0.8 kgf-m, 5.8 ft. lbs.)
2) Turn the master cylinder push rod so that the clevis pin moves to the left and then to the right. Clevis pin must move without resistance while it is
rattling.
Tightening torque (Push rod lock nut):
T: 10 Nm (1.0 kgf-m, 7 ft. lbs.)
3) Depress and release the clutch pedal 2 to 3 times to ensure that the clutch pedal and release fork operates smoothly. If the clutch pedal and release
fork do not operate smoothly, bleed air from the clutch hydraulic system.
4) Measure the clutch pedal full stroke length again to ensure that it is within specifications. If it is not, repeat adjustment procedures again from the
beginning.
Specified clutch pedal full stroke: 130 - 135 mm (5.12 - 5.31 inch)
5) Move the clevis pin to the left and then to the right. It should move without resistance while it is rattling. If resistance is felt, repeat adjustment
procedures again from the beginning.
