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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Multi-Function Thermal Sensor / Switch: Service and Repair


1. Remove and separate evaporator case as outlined in "Evaporator & Expansion Valve, Replace."
2. Remove screw securing thermostat to upper evaporator case, then remove thermostat.
3. Reverse procedure to install, making sure that end of temperature sensor is 1.97 in. from evaporator.