Diesel Bombers
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Diesel Bombers (https://www.dieselbombers.com/)
-   1st Generation Dodge Cummins 89-93 (https://www.dieselbombers.com/1st-generation-dodge-cummins-89-93/)
-   -   Running cold (https://www.dieselbombers.com/1st-generation-dodge-cummins-89-93/22632-running-cold.html)

ToolManTimTaylor 03-26-2009 12:17 AM
Originally Posted by Dieseldog92 (Post 291645)
My 92 d-350 has been running cold for a couple weeks. The temp gauge will barely lift off of c no matter how long i run it. And the heater wont work. I was thinkin it could be the thermostat or heater core?
Originally Posted by Greg G (Post 294771)
did you also check the level in the radiator? If you happen to have a leak in the cooling system and loose antifreeze. A low coolant level will do the same thing.
Originally Posted by Dieseldog92 (Post 295184)
My water pump leaks so im constantly adding coolant. Im sure it is the thermostat

Ummmmmmm .... Double take here. Yeah by looking at the posts the first reaction is ... :argh: . However I am willing to bet A: Airbound, B: Hung open from Sediment or hard water/anti freeze mix.

When you do replace the t stat AND WATER PUMP ... :humm: make sure to either buy pre mix or mix with distilled water for long trouble free service.

94cummins12v 03-26-2009 12:20 AM
screw the mix just run concentrate, im runnning ful concentrate in my truck 4.5 gallons of it. i have replaced 5 t-stats in my 12v in the last 6 months, they just dont last. im going to get my next one directly from cummins


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