Impreza WRX F4-2.0L DOHC Turbo (2004)
Transmission Speed Sensor: Service and Repair
Front Vehicle Speed Sensor
NOTE: The content of this article/image reflects the changes called out by TSB 18-88-05.
Front Vehicle Speed Sensor
REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground terminal from battery.
3) Remove the air cleaner case. (Non-turbo model)
4) Remove the intercooler. (Turbo model)
5) Disconnect the transmission connector.
6) Remove the transmission connector from stay.
7) Lift up the vehicle.
8) Clean the transmission exterior.
9) Drain the ATF completely.
NOTE: Tighten the ATF drain plug after draining the ATF.
Tightening torque: 25 Nm (2.5 kgf-m, 18.1 ft. lbs.)
10) Remove the front, center, rear exhaust pipes and the muffler.
11) Remove the center and rear exhaust pipes and the muffler. (Turbo model)
12) Remove the shield cover. (if equipped)
13) Remove the propeller shaft.
