Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Specified pedal stroke
WRX model 105 mm (4.13 inch)
Except WRX model 90 mm (3.54 inch)
When depressing brake pedal with a 490 Nm (50 kgf, 110 lb ) load.
7. If the distance is more than the specifications, there is a possibility that air is in the brake line. Bleed the brake line until pedal stroke meets
the specification.
8. Operate the hydraulic control unit in the sequence control mode.
9. Recheck the pedal stroke.
10. If the distance is more than specifications, there is a possibility air is in the inside of hydraulic unit. Repeat above steps (2) to (9) above
until pedal stroke meets the specification.
11. Add brake fluid to the required level (MAX. level) of reservoir tank.
12. As a final step, test run the vehicle at low speed and apply brakes to ensure that brakes provide normal braking action.
