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

REMOVAL:

1. Disconnect negative battery cable, and drain cooling system.
2. Disconnect connector from Coolant Temperature Sensor.
3. Remove Coolant Temperature Sensor from manifold.

INSTALLATION:

1. Clean mating surfaces of intake manifold and Coolant Temperature Sensor.
2. Use a new gasket.
3. Install Coolant Temperature Sensor in intake manifold.
4. Tighten to 35-55 N-m (25.5-39.5 lb. ft).
5. Connect the connector securely.
6. Refill cooling system.
7. Connect negative battery cable.