Impreza F4-25L (2008) Transmission and Drivetrain Clutch Switch Service and Repair
circuit.
ADJUSTMENT
1) Loosen the lock nut of clutch switch (starter interlock).
2) Fully depress the clutch and hold it.
3) Adjust the gap of the clutch pedal plate and the clutch switch to be 3 - 3.5 mm (0.12 - 0.14 in).
4) Tighten the lock nut.
Tightening torque: 8 N-m (0.8 kgf-m, 5.9 ft-lb)