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



Engine Coolant Temperature Sensor Replacement

Removal Procedure




1. Relieve the coolant system pressure.
Caution: Refer to Battery Disconnect Caution (Battery Disconnect Caution).
2. Disconnect the negative battery cable.
3. Drain the coolant below the engine coolant temperature (ECT) sensor level.
4. Disconnect the ECT sensor connector.

Notice: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

5. Remove the ECT sensor.


Installation Procedure





Notice: Refer to Fastener Notice (Fastener Notice).

1. Install the ECT sensor.

Tighten the ECT sensor to 20 N.m (15 lb ft).

2. Connect the ECT sensor connector.
3. Fill the cooling system. Refer to Cooling System Draining and Filling (Service and Repair).
4. Connect the negative battery cable.

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