For 1990-2009 cars

### Removal Procedure

Caution: Refer to Battery Disconnect Caution in the Preface section.

1. Disconnect the negative battery cable.
2. Drain the coolant to a level below the coolant temperature sensor.
3. Disconnect the electrical connector from the coolant temperature sensor.
4. Remove the temperature sensor.

### Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.

1. Install the coolant temperature sensor into the threaded hole in the exhaust gas recirculation (EGR) valve mounting adapter.

Tighten
Tighten the coolant temperature sensor to 20 N·m (15 lb ft).

2. Connect the electrical connector to the coolant temperature sensor.
3. Refill the engine cooling system. Refer to Cooling System Draining and Filling .
4. Connect the negative battery cable.