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Hello, Eddie here and I will do all I can to help. Have you replaced anything yet to try and fix the problem? Such as thermostat? water pump? Also, what is the condition of the coolant? does it look muddy at all? or is it nice and clean? Let us know, Thank you.
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It seems the tech which was helping has not logged back in for 25 hours now. The cooling fan is controlled by the air temp flowing through the radiator fins. You could install an additional electric fan if you choose to in front of the radiator and condenser. You want the engine to run at operating temp, not lower so the OEM thermostat should be used which is 195 degrees F I believe.
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I own a 08 V10 F350 and work for Ford dealer.
If its running 240, a lower temp thermostat alone is not going to help. It would pretty much be open all the time which in turn would make it run hotter. Did you monitor the trans oil temp, the trans cooler is in the radiator and it may be causing a large majority of your heat issues. See if your model has an auxiliary trans cooler, if not, then i would add one. I have added alot of auxillary cooling fans to RV chassis due to the air flow in the engine area not good enough and when operating in high temps on hilly terrain when towing they run to HOT.
The transmission has no over temp safety feature other than locking the converter in more often, though it can pretty much cook it self to death. The engine can run worse when to hot and can limit power. Based on year and mileage I would replace all filters, plugs, and use fuel injector cleaner in the tank.
Hello again Chris here,
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