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Message
re: F-150 radiator fan stays on
Posted on 12/11/19 at 2:58 pm to TulaneUVA
Posted on 12/11/19 at 2:58 pm to TulaneUVA
Just had this same issue in my 2014 5.0 f150. Mine was my evaporator core leaking 
but you could just have low freon from a leak in a less expensive place. Go get it die tested
I was told the fans stayed on as a fail safe because the truck realized something wasnt right with pressures/levels within the AC system
ETA: i also had the radiator coolant O-ring leak. This didnt cause my fans to come on but its worth a check because its simple. Fans will come on if there is low coolant but it has to be pretty low from my understanding
but you could just have low freon from a leak in a less expensive place. Go get it die tested I was told the fans stayed on as a fail safe because the truck realized something wasnt right with pressures/levels within the AC system
ETA: i also had the radiator coolant O-ring leak. This didnt cause my fans to come on but its worth a check because its simple. Fans will come on if there is low coolant but it has to be pretty low from my understanding
This post was edited on 12/11/19 at 3:01 pm
2
Posted on 12/11/19 at 3:10 pm to SeaPickle
Frick. So fricking simple. It was the coolant level. But now I gotta find the leak...I haven’t noticed anything on the ground where I park.
This post was edited on 12/11/19 at 3:11 pm
Posted on 12/11/19 at 3:32 pm to SeaPickle
quote:
Fans will come on if there is low coolant but it has to be pretty low from my understanding
True, mine was damn near a gallon low
quote:
Mine leaked at the Y in front of the water pump and the hose that ran to the passenger side top of the radiator
mine as well
This post was edited on 12/11/19 at 3:35 pm
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