How to replace the thermostat?

2010 CADILLAC DEVILLE DTS
101,152 MILES • 4.6L • V8 • 2WD • AUTOMATIC
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REARDRIVE
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When I set the heater at 90 degrees it blows cold air and fogs up the windshield. How to replace the thermostat?
Mar 2, 2023 at 4:25 PM
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STRAILER
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Hello,

Here is a generic guide to help walk you through the steps of replacing the thermostat and I have included the instructions for your car in the images below.

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

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
Mar 3, 2023 at 9:49 AM