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Cooling Fan Stuck ON HIGH!

   
Old 02-24-2016, 09:09 PM
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Default Cooling Fan Stuck ON HIGH!
Hi everyone! I just joined today because I bought my first Truck. It's an 2013 F150 Screw Lariat Ecoboost. I live in Minnesota and when I started the truck 2 days ago (25 degrees), my coolant fan turned on high right after startup. The heater/defrost and the ac were all turned off. Now, every time I start it whether the engine is hot or cold, the coolant fan is always on HIGH! Thanks in advance for any input guys!
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Old 02-26-2016, 07:59 PM
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Hmmm better get to the dealer asap
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Old 02-26-2016, 08:09 PM
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Yea, it would be nice to know what the problem is.. hope everything is under warranty.
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Old 02-27-2016, 12:56 AM
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Probably a leak in ac system. I bet it is the evap core under the dash
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Old 03-07-2016, 06:09 PM
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Originally Posted by garygaupp
Hi everyone! I just joined today because I bought my first Truck. It's an 2013 F150 Screw Lariat Ecoboost. I live in Minnesota and when I started the truck 2 days ago (25 degrees), my coolant fan turned on high right after startup. The heater/defrost and the ac were all turned off. Now, every time I start it whether the engine is hot or cold, the coolant fan is always on HIGH! Thanks in advance for any input guys!
In the passenger side under the glove box is the ac resistor i wouls check that first its a easy fix like a computer chip i believe its a 8mm bolt.
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Old 03-07-2016, 06:17 PM
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Originally Posted by projectgreywood
In the passenger side under the glove box is the ac resistor i wouls check that first its a easy fix like a computer chip i believe its a 8mm bolt.
Please explain more about this?


Mine was doing this, the dealer replaced a relay and the full fan assembly. There is a large post on this, I will find it.
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Old 03-07-2016, 06:27 PM
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Originally Posted by garygaupp
Hi everyone! I just joined today because I bought my first Truck. It's an 2013 F150 Screw Lariat Ecoboost. I live in Minnesota and when I started the truck 2 days ago (25 degrees), my coolant fan turned on high right after startup. The heater/defrost and the ac were all turned off. Now, every time I start it whether the engine is hot or cold, the coolant fan is always on HIGH! Thanks in advance for any input guys!
https://www.f150forum.com/f38/running-fans-303841/

https://www.f150forum.com/f38/coolin...l-time-303752/
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Old 03-22-2017, 02:15 PM
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Default Figured it out!
Originally Posted by garygaupp
Hi everyone! I just joined today because I bought my first Truck. It's an 2013 F150 Screw Lariat Ecoboost. I live in Minnesota and when I started the truck 2 days ago (25 degrees), my coolant fan turned on high right after startup. The heater/defrost and the ac were all turned off. Now, every time I start it whether the engine is hot or cold, the coolant fan is always on HIGH! Thanks in advance for any input guys!

Just took mine to the dealer, 2011 F150 FX4 5.0L, and the freon was low in the AC system. They evacuated the system and refilled it and the fans stopped kicking right into high!
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Old 03-22-2017, 02:54 PM
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Check your coolant level.
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Old 03-22-2017, 03:05 PM
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Originally Posted by fulco1st
Just took mine to the dealer, 2011 F150 FX4 5.0L, and the freon was low in the AC system. They evacuated the system and refilled it and the fans stopped kicking right into high!
Hm something wrong there in my opinion. Did the fix the leak?
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