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Discussion Starter #1
So i changed my tstat saturday. Today i noticed that when i drive is flexes on the temp. I got to work and climbed under and notice i have a small leak on the lower hose so i will replace that. But would a small leak cause flex in the gauge? Just puzzled and with it getting colder i want to make sure everything is good for winter.

Thanks for the help in advanced
 

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Changed mine... So far..no problems..
Hopefully you find the problem...
 

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Before changing mine it would barely reach 1/4 mark...
Now it runs at 1/2 mark... Never seen it touch 1/2 mark as long as I have owned it... Till the new AC Delco part went on...
 

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Lets not talk about where the needed is on the gauge again.
That proves pretty much nothing. Some read 1/4. Some read 1/2, some read 3/4. If mine and yours are different it doesn't matter, could be for several reasons. The point...if the gauge higher than it used to be, or is it actually fluctuating?
 

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Discussion Starter #10
I figured it would read higher. Mine old ts would get stuck open sometimes and throw the code. When i installed the ts i ran it for 15 to 20 mins to get air out i did it 3 different times just to make sure. I found the leak and fixed it. It would only fluctuate one degree mark when i was driving so i think as stated about that it is ts opening. I am going to keep a eye on it and check my coolant just to make sure i am not losing anymore. Thanks for the help guys.
 

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Monkey Slut!
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9,479 Posts
Also get yourself a scan gauge so that way you know what temp it's running at. I've put LED's in my cluster and the needle has never been exact since, my scan gauge says it sits at about 170 on warm days and around 200 on hot days in traffic.
 
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