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What size are the thermostat housing bolts?

Tiny
CHRISMORRIS15
  • MEMBER
  • 2006 CHEVROLET EQUINOX
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 300,000 MILES
I need to change my thermostat, but I'm scared my bolts are going to break if I try to take them out. So, I need to know what size the bolts are for the housing.
Tuesday, September 12th, 2023 AT 9:46 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,281 POSTS
It looks like there are 10mm x 1.5 thread. Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:

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.
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Tuesday, September 12th, 2023 AT 12:41 PM

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