12v cummins thermostat - Diesel Bombers



12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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Old 08-15-2011, 10:06 PM
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Default 12v cummins thermostat

can someone tell me everything i need to replace the thermostat in my 1994 dodge 2500 cummins
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Old 08-15-2011, 10:10 PM
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a new thermostate i think they are $15. some tools it is easy should take less than an hour. you will need coolant to
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Old 08-15-2011, 11:37 PM
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you mean how to do it/where its at? or just parts
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Old 08-16-2011, 08:24 AM
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what gaskets and seals do i need?
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Old 08-16-2011, 08:30 PM
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You need the thermostat (obviously), and there's a thermostat housing gasket you'll need as well.
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Old 10-01-2011, 03:17 PM
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just take it out and leave it out... truck wont get warm in the winter time but runs amazing in the summer never gets hot at all
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Old 10-01-2011, 03:57 PM
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Default Re: 12v cummins thermostat

And he will kill his fuel mileage and efficiency as well. These trucks run much more efficiently at 190.
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just take it out and leave it out... truck wont get warm in the winter time but runs amazing in the summer never gets hot at all
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Old 10-01-2011, 07:10 PM
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mine runs at 140 and i still get 28 with no plate and the pump set to kill.. so either my math isnt great or my trucks just amazing
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Old 10-02-2011, 08:56 AM
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Default Re: 12v cummins thermostat

You must go down alot of hills and not push the throttle much.

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mine runs at 140 and i still get 28 with no plate and the pump set to kill.. so either my math isnt great or my trucks just amazing
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Old 10-02-2011, 12:00 PM
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no im out in ks where its mostly always up hill and i generally pull my water trailer around which weighs bout 26000lbs my truck gets great mileage and runs cooler
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