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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Coolant Temperature Sensor/Switch (For Computer): Service and Repair

1. Disconnect battery ground cable.
2. Remove radiator cap to relieve coolant residual pressure.
3. Tighten radiator cap.
4. Disconnect electrical connector at engine coolant temperature sender.
5. Remove sender.
6. Reverse procedure to install noting the following, apply sealant to sender, install, then torque to 13 ft. lbs.