Impreza WRX F4-2.0L DOHC Turbo (2004)
Transmission Speed Sensor: Service and Repair
Vehicle Speed Sensor
REMOVAL
1) Disconnect the ground terminal from battery.
2) Lift-up the vehicle.
3) Remove the front and center exhaust pipes.
4) Disconnect the connector from vehicle speed sensor.
5) Turn and remove the vehicle speed sensor.
INSTALLATION
NOTE:
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Discard the vehicle speed sensor and after removal, replace with a new one.
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Ensure the sensor mounting hole is clean and free of foreign matter.
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Align the tip end of key with key groove on the end of speedometer shaft during installation.
1) Hand tighten the vehicle speed sensor.
2) Tighten the vehicle speed sensor using suitable tool.
Tightening torque: 5.9 Nm (0.6 kgf-m, 4.3 ft. lbs.)
3) Connect the connector to vehicle speed sensor.
4) Install the front and center exhaust pipes.
5) Lower the vehicle.
6) Connect the battery ground terminal.
