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.
2008 Pontiac Solstice L4-2.4LFACTORY 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 Cooling System Draining and Filling (GE-47716) (Service and Repair)Cooling System Draining and Filling (2.4L LE5 Only) (Service and Repair)Cooling System Draining and Filling (Static Fill-LNF) (Service and Repair) .
2. Disconnect the engine wiring harness electrical connector (6) from the engine coolant temperature (ECT) sensor.
3. Remove the ECT.
Installation Procedure
Notice: Refer to Fastener Notice (Fastener Notice) .
1. Install the ECT.
Tighten the sensor to 20 N.m (15 lb ft).
2. Connect the engine wiring harness electrical connector (6) to the ECT sensor.
3. Fill the cooling system as needed. Refer to Cooling System Draining and Filling (GE-47716) (Service and Repair)Cooling System Draining and Filling (2.4L LE5 Only) (Service and Repair)Cooling System Draining and Filling (Static Fill-LNF) (Service and Repair) .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.