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 MANUALSPONTIAC2009SOLSTICE L4-2.0L TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
2009 Pontiac Solstice L4-2.0L Turbo
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
2009 Pontiac Solstice L4-2.0L TurboSECTION Service and Repair
Engine Coolant Temperature Sensor Replacement
Removal Procedure
1. Partially drain the cooling system. Refer to Cooling System Draining and Filling (GE-47716) (Service and Repair)Cooling System Draining and Filling (Static Fill-LNF) (Service and Repair)Cooling System Draining and Filling (2.4L LE5) (Service and Repair).
2. Remove the heat shield from the around the electrical connector, if necessary.
3. Disconnect the engine wiring harness electrical connector (3) from the engine coolant temperature (ECT) sensor.
4. Remove the ECT.
Installation Procedure
Caution: Refer to Fastener Caution (Fastener Caution).
1. Install the ECT and tighten to 20 Nm (15 lb ft).
2. Connect the engine wiring harness electrical connector (3) to the ECT sensor.
3. Install the heat shield around the electrical connector, if necessary.
4. Fill the cooling system as needed. Refer to Cooling System Draining and Filling (GE-47716) (Service and Repair)Cooling System Draining and Filling (Static Fill-LNF) (Service and Repair)Cooling System Draining and Filling (2.4L LE5) (Service and Repair).
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.