t-stat removal, - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-17-2005, 03:02 PM   #1
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Default t-stat removal,

how do I get this thing out? do I need a tool or can I just pry it out? I'm doing this now so I'd be content with some quick feedback, thanks
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Old 12-17-2005, 03:08 PM   #2
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take off the 2 bolts.. take off the housing, lose a lot of coolant
pull the tstat right out
scrape off all the old gasket material
put new gasket down
put new seal on tstat
put new tstat in hole
put housing back on
bolt down
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Old 12-17-2005, 03:12 PM   #3
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yea I've done it since I posted but, how important is the black ring around the t-stat (I don't have a new one cause they didn't tell me I needed one) I only remember when I pryed the old one out, I'd better go back to the auto store aye?
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Old 12-17-2005, 03:20 PM   #4
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yes you need that...
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Old 12-17-2005, 03:26 PM   #5
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Quote:
Originally Posted by mista_sse
yea I've done it since I posted but, how important is the black ring around the t-stat (I don't have a new one cause they didn't tell me I needed one) I only remember when I pryed the old one out, I'd better go back to the auto store aye?
lmao yes you do. unless you want to carry a few gallons of coolant and have your engine block smell like hell all the time.
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Old 12-17-2005, 03:38 PM   #6
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yes you need it, just re-use the old one
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Old 12-19-2005, 09:44 AM   #7
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I hope he used one. lol
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Old 12-19-2005, 10:08 AM   #8
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he proably did mista u get that o ring yet?
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Old 12-19-2005, 11:02 AM   #9
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Quote:
Originally Posted by Kennginn
he proably did mista u get that o ring yet?
sure I did, I knew I needed a new rubber ring...........................
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Old 12-19-2005, 11:57 AM   #10
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The rubber ring actually only seals the area from water leaking past the thermostat. The car wouldn't reach temperature for a long time with it missing.

The paper gasket keeps the housing from leaking.
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