Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006EQUINOX FWD V6-3.4L VIN FREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
2006 Chevrolet Equinox FWD V6-3.4L VIN F
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
2006 Chevrolet Equinox FWD V6-3.4L VIN FSECTION Service and Repair
ENGINE COOLANT TEMPERATURE (ECT) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Engine coolant must be drained below the level of the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (GE 47716 Fill) in Cooling System.
2. Disconnect the ECT sensor harness connector.
3. Remove the ECT sensor.
INSTALLATION PROCEDURE
1. Apply thread sealant GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to sensor threads.
IMPORTANT: Tap out sensor mounting hole in engine head to remove any thread sealant residue. Clean any sealant residue from old sensor and apply RTV sealant to threads if old sensor is going to be reused.
2. Install the ECT sensor.
Tighten the engine coolant temperature sensor to 23 N.m (17 lb ft).
NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.
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. Fill engine coolant to proper level. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (GE 47716 Fill) in Cooling System.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.