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

Removal Procedure




1. Relieve the coolant system pressure.
2. Disconnect the negative battery cable.
3. Disconnect the engine coolant temperature (ECT) sensor connector.

NOTE: Use care when handling the sensor. Damage will affect the proper operation of the fuel injection system.

4. Carefully remove the ECT sensor from the cylinder head underneath the intake manifold.

Installation Procedure




1. Coat the threads on the ECT sensor with sealer.

2. Install the ECT sensor into the cylinder head.
Tighten
Tighten the engine coolant temperature sensor to 15 lb.ft (20 N.m).

3. Connect the ECT sensor connector.
4. Fill the cooling system.
5. Connect the negative battery cable.