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







REMOVE OR DISCONNECT
1. Turn the ignition switch OFF.
2. Relieve coolant pressure.
3. Engine Coolant Temperature (ECT) sensor electrical connector.
4. Carefully remove sensor.


INSTALL OR CONNECT
1. Coat threads (only) with sealant.
2. ECT sensor into engine.
3. ECT sensor electrical connector.
4. Refill lost coolant.