Thermostat Problems
Any one having trouble with your thermostats sticking? Mine will heat up to 190 deg. and in about 2-3 seconds it will be at 140 deg. If I put another thermostat in it will be the 3rd one in 2 years with this same problem. :humm: I'm at a loss.
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They had a bad bunch of them out n about. Where are you buying them, if I may ask?
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Mine needs to be replaced tool... Just wish I had time to do it.
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One at oreily's and one at dodge. I guess this one i'll try toget directly from cummins.. I just didn't know if there may have be a problem somewhere else causing the thermostat to fail. I put a canvas feed sack with a 4-5 inch hole to block some air thinking it may help.. but it didn't..
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My stock one went about 18 months before it decided to conk out. New one from Cummins was $25. Some say it's too much, but if it decides a warranty, it's worth it.
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Mine does the same thing. I put a new one in lats week when I swapped radiators and it still does it:argh: I asked my buddy about it and he saiid maybe air pockets in the coolant somewhere? The heater core is bad maybe thats what my problem is.:humm:
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Get the thermostat from Cummins - they cost a bit more but you wont have any trouble.
You can lose an engine because of a thermostat - and thats a big enough reason for me to spend a few more bucks and get it from ma Cummins. Thermostat p/n: 3928499 Thermostat sealing rings p/n: 3925466 & 3927305 |
I have one from Napa that does the same thing. Heats up to 185ish, then drops right above the minimum operating temp line. I figured it was normal. Also runs about 170. Do lower temp thermostats even exist for these? Or are they all 190 and mine is just jacked up?
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mine did same thing, got one from o-reallys and it opened once and stayed open. got next one from dodge. besides having a mopar sticker over the cummins label on bag they told me the part was updated recently for these kinds of concern. dont know if you would save money going to cummins vs dealer. i think i paid around $35 that included one o-ring and 2-bigger step seals.
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190-195, helps with fuel combustion I think. :humm:
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