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Thermostat location

Tiny
JERRY KESLAR
  • MEMBER
  • 2007 CHEVROLET UPLANDER
  • 86,000 MILES
I'm changing the coolant and the thermostat in a 2007 Chevy Uplander 3.9 liter engine. The top hose dosn't attach to a typical thermostat housing. Where is the thermostat and how do I gain access to replace it?
Saturday, June 8th, 2013 AT 3:15 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
It is at the lower hose to the block. It is tight but take your time. Here is a guide to help walk you through with diagrams below to show you the location.

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

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Sunday, June 9th, 2013 AT 5:21 AM

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The thermostat is located on the engine either at the inlet or outlet radiator hose connections and is part of the cooling system, this unit is designed to stop the flow of...

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