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Radiator fans

Tiny
JOE FARDELLA
  • MEMBER
  • 2005 FORD ESCAPE
  • 3.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
Had radiator changed because of leek now fans won't come on to cool engine fans will stay on if I leave ac on or if I unplug the coolant sensor the fans will run on high but the inside temp gage won't work what to do all fuses are good should I change coolant sensor someone said maybe bad fuse box?
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Friday, October 15th, 2021 AT 3:03 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Did the fans work correctly before the radiator change?

https://www.2carpros.com/articles/how-an-electric-cooling-fan-works

The coolant sensor controls the gauge and the timing of the fans coming on. So yes, it could be a bad sensor.

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

I would also replace the thermostat to be sure it is not stuck open.

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

https://www.2carpros.com/articles/replace-thermostat

Roy
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Saturday, October 16th, 2021 AT 6:48 AM

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