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.
2007 Pontiac Solstice L4-2.0L TurboFACTORY OEM SERVICE PROCEDURE
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor Replacement
Removal Procedure
1. Partially drain the cooling system. Refer to Draining and Filling Cooling System (GE-47716) Draining and Filling Cooling System (2.4L LE5 Only).
2. Disconnect the engine wiring harness electrical connector (3) from the engine coolant temperature (ECT) sensor.
3. Remove the ECT.
Installation Procedure
Notice: Refer to Fastener Notice.
1. Install the ECT.
Tighten the sensor to 20 N.m (15 lb ft).
2. Connect the engine wiring harness electrical connector (3) to the ECT sensor.
3. Fill the cooling system as needed. Refer to Draining and Filling Cooling System (GE-47716) Draining and Filling Cooling System (2.4L LE5 Only).
Factory Service Tools
Use the Manual With the Right Hardware
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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.