Equinox AWD V6-3.4L (2008)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor Replacement
Removal Procedure
1. Drain the engine coolant to a level below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (LNJ Static
Fill) Cooling System Draining and Filling (LNJ GE 47716 Fill) Cooling System Draining and Filling (LY7 Static Fill) Cooling System Draining
and Filling (LY7 GE 47716 Fill).
2. Remove the fuel injector sight shield.
3. Disconnect the ECT sensor harness connector.
4. Remove the ECT sensor.
Installation Procedure
Important: 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.
Notice: Refer to Component Fastener Tightening Notice.
2. Install the ECT sensor.