For 1990-2009 cars

### Removal Procedure

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

1. Turn the ignition switch OFF.
2. Relieve the coolant system pressure.
3. Disconnect the ECT sensor electrical connector.
4. Carefully back out the ECT sensor.

### Installation Procedure

1. Coat only the threads with sealer.
2. Install the ECT sensor in the engine, fully driven, seated and not stripped.
3. Connect the ECT sensor electrical connector.
4. Refill the engine coolant system.