For 1990-2009 cars

### Removal Procedure

1. Drain the engine coolant. Refer to Section 6B.
2. Remove the air inlet duct (5).
3. Disconnect the electrical connector from the ECT sensor (2).

Important:: Care must be taken when handling the Engine Coolant Temperature (ECT) sensor. Damage to the ECT sensor will affect proper operation of the fuel injection system.

4. Remove the ECT sensor (2) from the engine coolant pump (1).

### Installation Procedure

Important:: Care must be taken when handling the Engine Coolant Temperature (ECT) sensor. Damage to the ECT sensor will affect proper operation of the fuel injection system.

1. Coat the Engine Coolant Temperature (ECT) sensor threads with sealer P/N 1052080 or equivalent.
2. Install the ECT sensor (2) into the engine coolant pump (1).

Tighten
Tighten the ECT sensor to 23 N·m (17 lb ft).

3. Connect the ECT sensor electrical connector.
4. Install the air inlet duct.
5. Refill the engine coolant. Refer to Section 6B.
6. Start the engine and check for leaks.
7. Recheck the engine coolant level.