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2000 Pontiac Montana Thermostat r&r???
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davegto
New User
Feb 14, 2007, 10:18 AM
Post #1 of 8
(13552 views)
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2000 Pontiac Montana Thermostat r&r???
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How the heck can they design a 9 dollar part that costs 140 or more to install?
Any ideas on how to do this with no real mechanical aptitude?
Help
and Thanks
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way2old
Veteran
/ Moderator
Feb 14, 2007, 2:42 PM
Post #2 of 8
(13540 views)
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Re: 2000 Pontiac Montana Thermostat r&r???
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Looks like the exhaust pipe needs to be removed to access the thermostat. Look at the radiator hoses to see where the housing is. Have fun.
- Remove the air cleaner and duct assembly. Refer to Air Filter Element Replacement in Computers and Controls.
- Drain the coolant until the coolant level is below the thermostat. Refer to Draining and Filling Cooling System].
- Remove the crossover exhaust pipe. Refer to Exhaust Crossover Replacement.
- Remove the radiator hose from the thermostat housing. Refer to Radiator Hose Replacement - Inlet.
- Remove the thermostat housing bolts and clean any sealer from the bolt threads.
- Remove the thermostat housing and gasket.
Being way2old is why I need help from younger minds
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davegto
New User
Feb 14, 2007, 5:03 PM
Post #3 of 8
(13537 views)
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Re: 2000 Pontiac Montana Thermostat r&r???
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Thanks for the how to way2old
but alas at 50 yrs myself, can't hepp ya with the younger mind thingie so well.
and if you are the unique comedian that engineered this thermostat HIDING from
ease to replace
well? you'd be LOL about now.
If you didn't, you'd feel like i do-- dewdles!
Thanks for the info -i'm SURE that exhaust pipe will be EZ to pop off and on
after ONLY 173k miles :) yeah pizza cake!
good luck anyone else with this problem.
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techmeltz
New User
May 10, 2009, 7:46 AM
Post #4 of 8
(12321 views)
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Re: 2000 Pontiac Montana Thermostat r&r???
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Hey... Way2Old's instructions are technically correct, but I've done this about a half dozen times without removing the exhaust crossover pipe. Here's the details:
there are two bolts that hold the thermostat housing to the cylinder head. the one in the back needs to be backed out a little at a time with a box-end wrench by reaching around the exhaust crossover to come at the bolt from underneath. I tend to take two with different offsets, and then swap between them. Once the bolt is a little loose, you can use your fingers (it will take both hands, one from the top and one from the bottom) to loosen it the rest of the way. the nearer bolt is much more straight forward. when reassembling, start the rear bolt just enough to hold itself in place, then wiggle in the thermostat housing. The bolt hole is actually a slot. After you have wiggled it into place, again use both hands to finger tighten the bolt, then go back to the alternating box end wrenches.
Good Luck!
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way2old
Veteran
/ Moderator
May 10, 2009, 1:51 PM
Post #5 of 8
(12312 views)
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Re: 2000 Pontiac Montana Thermostat r&r???
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Good information techmeltz. However this post is 2 years old. Please watch the original post date. And welcome to the forum.
Being way2old is why I need help from younger minds
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leslierae
New User
Apr 12, 2014, 5:38 PM
Post #7 of 8
(4347 views)
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Re: 2000 Pontiac Montana Thermostat r&r???
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I am having a problem getting the thermostat housing off, can i take the exhaust pipe off without hurting anything?
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 12, 2014, 5:39 PM
Post #8 of 8
(4344 views)
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Re: 2000 Pontiac Montana Thermostat r&r???
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Please don't hijack old threads. Create your own thread.
Locked due to age and to prevent spamming and hijacking.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Apr 12, 2014, 5:40 PM)
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