only in the summertime when the weather is hot the fan needs to run to keep the engine cool,sometimes when engine is stopped you can hear the fan running for a short time
A fan that is connected to the engine will turn whenever the engine is running, an electric fan will only run when the engine is at the proper temperature, some also turn on whenever the AC is on.
HVAC fan? Engine cooling fan?
If it is an electric fan, NO. If it is a mechanical fan test it to see. If you can turn the fan by hand with the engine not running it has a clutch.
No. It is an electric fan with a thermostat.
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If your engine fan turns on when the engine is not running it is because the engine's coolant temperature is above the factory preset level at which the computer turns on the fan or fans to cool the engine back to normal.
passenger side under hood beside battery .Its a big fuse
check fuse for cooling fan, or possibly temperature sensor at inlet.
It is designed to free wheel until the engine reaches running tempture. The way you check the fan clutch is make sure the engine is hot, norther words go and drive it a few miles, then come back and leave the engine running, open the hood then stand somewhere where you can see the fan turning. Then turn the engine off and the fan blades should only turn about 1 time as soon as you turn engine off. If the fan spends several times then the fan clutch is bad. Replace fan clutch. Just be sure the engine is hot when you do this test.
the engine temperature has to get to 225 degrees Fahrenheit to turn on. If the engine is reaching 230 degrees and it is not turning on the sensor for the engine cooling fan is most likely the culprit. As for the fan operation of the fan with the a/c that is normal
I believe it turns on and off the fan (1 out of 2) that cools the engine according to the temperature it's at. If it doesn't work the engine may not know to turn the fan on and the engine could overheat. Here's a tip. When you turn on your A/C or Heater, both fans come on. The A/C cooling fan and the Engine Cooling fan.
I assume your talking about the engine fan, not the cabin fan. The engine fan is designed to come on only when the engine gets hot enough for it. I.E. the fan won't turn on in the dead of winter, or if you just start your car. The fan will turn on whenever the A/C is turned on though, as part of the Air cooling system.