Odd over heating

blowout · Jul 15, 2013

SO here it goes.... I drive my truck all over and it never gets above 195. as soon as I put something behind it (dump trailer, skid steer trailer or the 28' enclosed all empty or full) and i get hot. I watch the temp on the bullydog and as soon as it hits 210 it turns off the tune. I have had it up to 220 and the whole time it goes up I never hear the fan kick on. even when hot and starting from a stop 0-60 the whole time it never kicks on. Sometimes it will come on and cool it down but not very often.

Will this most likely be a bad fan?

blowout · Jul 17, 2013

Anyone have an idea to point me in the right Direction??????

Starkey · Jul 17, 2013

I'd check the fan clutch. If you never hear it kick on, then that's a likely culprit.

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blowout · Dec 6, 2013

digging this back up.... I did my water pump two weeks ago since it had the awesome drip!!! did a complete flush and checked everything over. clutch is good. Now I didnt say it before but since last year in the winter with my plow on it will get hot also (at the same time i loose heat). the only thing i did not replace was the thermostats I am pointing that those are my problem....... anyone else think that same????

racerx004 · Dec 6, 2013

I was just talking to a mechanic about this the other day. I believe the
T-Stats are your problem. Since these trucks have 2 of them, one of them gets stuck and doesnt function properly. So under normal driving the working one lest enough coolant through so everything is fine, but once you put a load on it, there isnt enough cooling capacity with have one stuck and the truck starts to overheat.
When you change them, let us know if that cures your problem.

Odd over heating

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