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Old 10-27-2019, 11:47 PM   #6
Andy4639
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Location: Liberty, & Garden City S.C. , U.S.
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Thumbs up Re: Do thermostats have a break in period?

Quote:
Originally Posted by ubtripn View Post
What do you think might cause it to hang?

I did read the 200 thing is natural, warms the engine u fast and is designed to do it then drop to 180 but vacillating like that is weird.
I have seen them hang on the lip of the gasket when not exactly in place until it tears it enough to open.
Yes the thing is not calibrated to open fully at 180/190 that's just when it should start to open by.
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