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Yesterday, 02:58 PM
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#1 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,361
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Removing Thermostat Housing
I would like to replace the thermostat but the housing has never been touched in years. I certainly don’t want to break a bolt off and end up with a drill and tap exercise. Any advice other than heat and good penetrating oil ? Not sure if it’s the original housing ? Thanks
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71 C-20 07 Magnum RT AWD |
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Today, 09:04 AM
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#2 |
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All stock and staying that way
 
Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,576
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Re: Removing Thermostat Housing
When I replaced the thermostat on my 1970 Blazer, the bolts came out ok. There was a small amount of pitting on the housing that was addressed with a small mount of grey RTV with an original NOS GM thick gasket.
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..  1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...  2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels |
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Today, 12:47 PM
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#3 |
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Registered User
Join Date: Jul 2019
Location: Beebe, AR
Posts: 2,473
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Re: Removing Thermostat Housing
I understand your concerns. Had to do the weld the nut on trick for both mine when I replaced the thermostat. Intake has since been removed, blasted and painted.
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1967 C10 1980 Jeep CJ5 2020 Toyota 4Runner 2024 Toyota Tundra |
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