I think I should change the thermostat. How do I do that?

2004 FORD EXPEDITION
70,000 MILES • V8 • 2WD • AUTOMATIC
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JOHNKRODDY
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  • 2 POSTS
My heater won't blow hot air. I think I should change the thermostat. How do I do that..you know, simple instructions please. Thanks much.
Dec 11, 2008 at 6:38 AM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Hi,

Replacing the thermostat isn't too hard. Just make sure to keep all coolant away from animals. It is very toxic.

To get you started, here is a link that explains how to replace an engine coolant thermostat in general. It can be used to help guide you.

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

If you look at the attachments below, they provide the directions and pics specific to this vehicle for replacement.

I hope this helps. Let me know if you have additional questions.

Take care,

Joe

See pics below.
Jun 1, 2021 at 8:43 PM