Operation CHARM: Car repair manuals for everyone.

Countershaft Sensor: Service and Repair

Countershaft Speed Sensor Replacement





1. Disconnect the countershaft speed sensor connector, and remove the countershaft speed sensor.
2. Install the new O-ring (A) on the new countershaft speed sensor (B), then install the countershaft speed sensor in the transmission housing.
3. Check the connector for rust, dirt, or oil, and clean if necessary, then connect the connector securely.