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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Transmission Speed Sensor: Service and Repair





1. Remove the 6 mm bolt from the Transmission Housing, and remove the Mainshaft or Countershaft Speed Sensor.
2. Replace the 0-rings with new ones before reinstalling the Mainshaft or Countershaft Speed Sensor.