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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Vehicle Speed Sensor: Service and Repair


1. Remove extension housing as previously described.
2. Using snap ring pliers, remove snap ring, then speedometer gear and lock ball.
3. Remove sensor rotor from output shaft.
4. Reverse procedure to install, ensuring that sensor rotor key is installed in groove.