Coolant sensor switch location

2007 CHEVROLET EXPRESS
351,000 MILES • 4.8L • V8 • AUTOMATIC
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THE WOOD
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  • 1 POST
Car is overheating! Replaced the radiator cap because the overflow level remained unchanged while vehicle was overheating. That new cap resolve that issue but still overheating, turn heater on and lukewarm air comes out. Had the thermostat replaced in October 2018.
Aug 1, 2019 at 10:10 AM
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ASEMASTER6371
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Good afternoon,

Did you pressure test the cooling system for leaks?

https://www.2carpros.com/articles/radiator-pressure-test

I would replace the thermostat again. That was October and this is now. It may have been damaged from the overheating.

https://www.2carpros.com/articles/replace-thermostat

The coolant sensor has no effect on the overheating.

Roy
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Aug 1, 2019 at 1:20 PM