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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Heater Core Temperature Sensor / Switch: Service and Repair




Replacing Temperature Sensor For Heater







Remove screws of lower trim panel.







Pull bottom trim panel to the side out of the clips.







Disconnect connector.







Pull out temperature sensor.