Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Transmission Speed Sensor: Service and Repair

Mainshaft and Countershaft Speed Sensors Replacement
1. Disconnect the mainshaft speed sensor connector and countershaft speed sensor connector.





2. Remove the mainshaft speed sensor (A) and countershaft speed sensor (B).
3. Install the new O-ring (C) on the mainshaft speed sensor, and install the mainshaft speed sensor in the transmission housing.
4. Install the new O-ring (D) on the countershaft speed sensor, and install the countershaft speed sensor in the transmission housing.
5. Check the connectors for rust, dirt, and oil, then connect the connectors securely.