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Thermostat location

Tiny
ANONYMOUS
  • MEMBER
  • 2006 PONTIAC G6
  • 103,000 MILES
Where is the thermostat on a v6 engine?
Friday, December 14th, 2012 AT 2:15 AM

21 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
There are two different locations depending on the engine size so I gave you both and a guide to help you see step by step how to do the job with diagrams for the location below.

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.

Cheers
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Friday, December 14th, 2012 AT 2:16 AM
Tiny
TRANDO
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  • 1 POST
  • 2006 PONTIAC G6
Six cylinder front wheel drive automatic.

Where is the thermostat located on a GTP 3.9L engine?
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Thursday, August 2nd, 2018 AT 5:28 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Thermostat location see diagram below:


https://www.2carpros.com/forum/automotive_pictures/12900_tp_1.jpg


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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
RAM47
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  • 2006 PONTIAC G6
  • 65,000 MILES
Where is thermostat housing for 3.9l engine?
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The thermostat is on the left side of the engine down low. Here is a guide to help you get it changed out and the location below:

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.

Cheers
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
REVOKD69
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  • 3 POSTS
  • 2006 PONTIAC G6
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 80,000 MILES
Where do I find the thermostat on the 2.4L engine? I disconnected the upper radiator hose and it was not there. I read somewhere it's on the lower hose, but want to verify this before I go wasting any more time.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS


https://www.2carpros.com/forum/automotive_pictures/170934_06_G6_thermostat_1.jpg



My information shows the above location for thermostat housing. If that is wrong, blame the database.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
REVOKD69
  • MEMBER
  • 3 POSTS
Okay, I am blaming the database then I suppose, because that does not look like a diagram of my engine at all. The upper radiator hose connects the to the front of my engine, not the top rear like it shows there. Are you sure that is for the four cylinder? Thanks for trying, but any other ideas?
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
JDL
  • MECHANIC
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That is what MOD showed for the 2.4. I will keep looking.

There are three G6s listed for that year. The GPT thermostat housing is shown below. I cannot guarantee the database is correct. I thought MOD was one of the better ones.


https://www.2carpros.com/forum/automotive_pictures/170934_gpt_thermostat_housing_1.jpg

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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
REVOKD69
  • MEMBER
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That one looks more like it. If this diagram is right it is actually connected to the lower hose which will be difficult to reach without pulling the radiator. I hope it is wrong again though, haha.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
BENLOUD
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  • 2007 PONTIAC G6
  • FWD
  • AUTOMATIC
  • 60,000 MILES
Where is the thermostat in my car listed above with a 3.5 liter engine?
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
JDL
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Yeah, it would not be the first time I was wrong, probably will not be the last. Good luck.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
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This is it.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
RASMATAZ
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Drain the cooling system. Refer to draining and filling cooling system (LY7, LZ4, LZ9 Static Fill) draining and filling cooling system (GE 47716 fill) draining and filling cooling system (LE5 static fill).
Remove the air cleaner outlet duct.
Reposition the radiator outlet hose clamp at the thermostat housing.
Remove the radiator outlet hose from the thermostat housing.
Remove the thermostat housing bolt/stud.
Remove the thermostat housing and gasket.
Remove the thermostat.
Clean the gasket surfaces.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
JOANNALEBLANC
  • MEMBER
  • 1 POST
  • 2005 PONTIAC G6
  • 3.5L
  • V6
  • FWD
  • AUTOMATIC
  • 190,000 MILES
Need to change the thermostat and I'm not sure where it is located. Thanks so much for your help.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
ORDIE
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  • 2007 PONTIAC G6
  • 6 CYL
  • 2WD
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  • 79,000 MILES
Where is the thermostat located on a 2007 Pontiac G6 GT
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
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For the 3.5L engine it is located at the end of the radiator outlet hose at the engine end of hose. Drain the coolant, remove the air cleaner outlet duct, loosen the radiator outlet hose clamp at the thermostat housing then remove radiator outlet hose from housing. Thermostat is in the housing.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
YOBOIIBLUE
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Do I follow the top hose or the bottom hose on the radiator?
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
BLUELIGHTNIN6
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Outlet should be top hose.
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)
Tiny
MARIAPATTERSON
  • MEMBER
  • 1 POST
  • 2007 PONTIAC G6
Six cylinder two wheel drive automatic.

I need my thermostat replaced, but I do not know where it goes. Could you tell me where it is located?
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Thursday, August 2nd, 2018 AT 5:29 PM (Merged)

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