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04-17-2006, 11:06 AM
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#1 | |
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AF Newbie
 Join Date: Feb 2005
Location: Laurel, Maryland
Posts: 44
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Changing Thermostat in 1997 Lumina 3.1?
Where do I start? What tools will be needed? Anyone have a time frame as well? Thanks in advance!
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04-17-2006, 12:02 PM
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#2 | |
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Lactose the Intolerant
 
Join Date: Aug 2004
Location: Nowhere, Missouri
Posts: 6,410
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Re: Changing Thermostat in 1997 Lumina 3.1?
Just 2 nuts and a hose clamp. Take the upper hose off the thermostat neck and bend it out of the way.
One nut you can reach (and see) from in front, the other is pretty much by feel, but there's a good sized space from the back side to work through. Make sure you have the new one pointing the right way, or you'll be doing it again. And do the coolant bleed procedure when you're done, or it will still overheat.
__________________
You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made... ...empty gun rack. |
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04-17-2006, 12:03 PM
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#3 | |
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Lactose the Intolerant
Join Date: Aug 2004
Location: Nowhere, Missouri
Posts: 6,410
Thanks: 4
Thanked 52 Times in 51 Posts
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Re: Changing Thermostat in 1997 Lumina 3.1?
Nuts look like 12-13mm.
__________________
You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made... ...empty gun rack. |
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04-17-2006, 05:09 PM
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#4 | |
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stupidity should hurt
Join Date: Aug 2004
Location: Flint, Michigan
Posts: 10,129
Thanks: 2
Thanked 22 Times in 22 Posts
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Re: Changing Thermostat in 1997 Lumina 3.1?
The rear is a stud and nut, and the hole in the housing is slotted, so all you have to do is loosen the nut and slide the housing out.
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with! |
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04-17-2006, 08:23 PM
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#5 | |
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AF Newbie
Join Date: Jul 2005
Location: Muncie, Indiana
Posts: 31
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Re: Changing Thermostat in 1997 Lumina 3.1?
Yea, I found out the hard way the housing was slotted on the far side. It was a pain taking the stud all the way out. I found using one of those ratcheting wrenches to work the best.
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