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Thermostat Advice

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Old 03-04-2017, 11:44 AM
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Originally Posted by tacklebox
Yep I agree but like I said I already have the Stant. Sadly getting my hands on MOPAR parts typically means either ordering online and waiting or ordering thru the dealership and driving well out of my way to pick up. (I live in BFE). Until reading this thread I figured the Stant from Napa was a decent part...
I had heard good about the Stant stats which is my reasoning for choosing it, but it actually performs much worse than the bad factory stat. The factory stat only performed bad in the cold, this Stant does bad in all temps and has held the temp anywhere from around 160 to 210+. I'm thinking I probably got a bad part but who knows.
Old 03-04-2017, 02:15 PM
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I picked one up at NAPA, over a year installed. No poblems. My next will be soon and I'll go the same route. Unless I have a problem with what I get from NAPA then I'll just continue to use them.
Old 04-03-2017, 04:16 PM
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Installed the Mopar stat today. Will see how the temp sits over the next week.
Old 04-03-2017, 05:56 PM
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just for info,my? stat wiggles once a minute roughly, one needle width from 210 down, one needle. very stable, i watch it! it was in when i bought.

when fully hot.

Last edited by nujeepguy; 04-03-2017 at 09:13 PM.
Old 04-03-2017, 06:09 PM
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Originally Posted by nujeepguy
just for info,my? stat wiggles once a minute roughly, one needle with from 210 down, one needle. very stable, i watch it! it was in when i bought.

when fully hot.
I think nujeepguy meant one needle "width". My experience with my newly rebuilt cooling system is similar.

Last edited by CurrySoSpicy; 04-03-2017 at 06:11 PM.
Old 04-03-2017, 09:13 PM
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ahhh yeah!
Old 04-06-2017, 06:24 PM
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Well. The temp has gone from roughly 160 with the Stant to about 180 with the Mopar. The Mopar definitely can control temps better for those of you who are wondering if the few extra bucks does anything.
However it is not to solution to my problem. Heat still isn't much better, and ~180 is still a bit off from normal temps.

I have no idea what's going on.
Old 04-06-2017, 06:31 PM
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Originally Posted by LucasYost
Well. The temp has gone from roughly 160 with the Stant to about 180 with the Mopar. The Mopar definitely can control temps better for those of you who are wondering if the few extra bucks does anything.
However it is not to solution to my problem. Heat still isn't much better, and ~180 is still a bit off from normal temps.

I have no idea what's going on.
[QUOTE Heat still isn't much better,][/QUOTE]
now its the heater? gotta flush it good, sometime hard to get clean.
Old 04-06-2017, 06:57 PM
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Originally Posted by nujeepguy
[QUOTE Heat still isn't much better,]
now its the heater? gotta flush it good, sometime hard to get clean.[/QUOTE]

I was thinking the cooler heat was because of the lower running temps. It was nice and hot before whatever happened made the Jeep run cooler.
Old 04-06-2017, 07:06 PM
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Originally Posted by LucasYost
now its the heater? gotta flush it good, sometime hard to get clean.
I was thinking the cooler heat was because of the lower running temps. It was nice and hot before whatever happened made the Jeep run cooler.[/QUOTE]
how long ago?
i guess 180 is lower mine is 210 and hot heat. dont know what stat is in it but prob changed a few times. i bought at 168000, now 170000.
you might carefully block the rad briefly to see if the temp goes up to 210 ,AND if the heat is better. if not i would flush the heater core.
jeeps, 4.0 is new to me so other stuff may be affecting the heater.
Old 04-06-2017, 07:08 PM
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Flush heater core.

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