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

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Coolant Temperature Switch (For Computer)


1. Disconnect battery ground cable.
2. Drain coolant from engine.
3. Disconnect electrical connector from coolant switch.
4. Remove temperature sensor from radiator.
5. Reverse procedure to install.