For 1990-2009 cars

## Engine Coolant Temperature Sensor Replacement ECT 1

### Removal Procedure

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

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Drain the engine coolant. Refer to Cooling System Draining and Filling.
3. Disconnect the ECT sensor connector.
4. Remove the ECT retaining clip.
5. Remove the ECT (1) from the coolant distributor.

### Installation Procedure

1. Install the ECT (1) to the coolant distributor.
2. Install the ECT retaining clip.
3. Connect the ECT sensor connector.
4. Refill the engine coolant. Refer to Cooling System Draining and Filling.
5. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

## Engine Coolant Temperature Sensor Replacement ECT 2

### Removal Procedure

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

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Drain the engine coolant. Refer to Cooling System Draining and Filling.
3. Disconnect the ECT 2 sensor connector.
4. Remove the ECT 2 sensor (1) from the radiator.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Install the ECT 2 sensor (1) to the radiator.

Tighten
Tighten the ECT 2 sensor to 20 N·m (15 lb ft).

2. Connect the ECT 2 sensor connector.
3. Fill the engine coolant. Refer to Cooling System Draining and Filling.
4. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.