Engine Coolant Temperature Sensor Replacement for Pontiac Torrent 2009

1. Drain the engine coolant to a level below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling.
2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
3. Disconnect the ECT sensor harness connector.
4. Remove the ECT sensor.

Note: Tap out sensor mounting hole in engine head to remove any thread sealant residue. Clean any sealant residue from old sensor if the sensor is going to be reused.

1. If the sensor is being reused, apply thread sealant GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to sensor threads.

Caution: Refer to Component Fastener Tightening Caution in the Preface section.

2. Install the ECT sensor.

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

3. Connect the ECT sensor harness connector. Push in the connector until a click is heard, then pull back to confirm a positive engagement.
4. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
5. Fill the engine cooling system to proper level. Refer to Cooling System Draining and Filling.