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post #1 of 7 (permalink) Old 06-05-2011, 06:14 PM Thread Starter
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How to change thermostatů...

I'd like to change my thermostat, any write up on how to go about this?


thank you


2001 Ram 2500 QCSB
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post #2 of 7 (permalink) Old 06-05-2011, 06:38 PM
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its right on top of your engine in front of and to right of the valve cover. follow your top radiator hose to the engine. remove the 2 bolts, remove th old tstat. install the new one and bolt it back up. be sure and use the new seal that come with the new tstat. all done.

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post #3 of 7 (permalink) Old 06-05-2011, 07:09 PM
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Originally Posted by dcff View Post
I'd like to change my thermostat, any write up on how to go about this?


thank you
Only install a 190 T-stat and you should go with either a Cummins $$ or a NAPA Gold.

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post #4 of 7 (permalink) Old 06-05-2011, 08:10 PM
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post #5 of 7 (permalink) Old 06-05-2011, 08:15 PM
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I run a 180* and it's fine. Either way your fine.

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post #6 of 7 (permalink) Old 06-05-2011, 08:28 PM
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I run a 180* and it's fine. Either way your fine.
You ECM will be constantly trying to get to 190, and over fueling your engine. Diesels like the warm. Try changing to a 190 and see it your mileage improves.

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post #7 of 7 (permalink) Old 06-05-2011, 08:31 PM
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I read that and switched to a 190, no difference. Hand calculated.

I figure having a 180* when it's 100* here can't hurt. Let's it open up that much sooner and then when I shut it down it's not gonna keep heating up above 190*

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