Why does my engine fan stay on?
It’s normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool. However, if the fan is running for an extended period, the fan itself can become damaged due to overuse. It’s possible you may have a module or relay failing in your car.
Should the radiator fan always be on?
Fan Trigger The engine temperature should trigger the fan to turn on. It will also turn the fan off once the engine has cooled to under 200 degrees. You may have heard of a part called the radiator fan switch or temperature fan switch. This is linked to a thermostat and works much like your home’s HVAC system.
Why does my car fan stay on after I turn it off?
It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. Your car fan will run for a few minutes after you turn off the car then turn it off. When the engine is turned off, the coolant doesn’t circulate, and the heat stays trapped, therefore prolonging the engine from cooling.
How long can a fan run continuously?
You can leave a fan running continuously for eight hours, on average, without worrying about unexpected ceiling damage or fires in your home.
When does the engine fan turn on in a Toyota Corolla?
The Radiator Cooling Fan Relay (8) energizes when both the Engine Main Relay (7) is energized and the Engine Cooling Fan switch (10) is closed. The Radiator Cooling Fan Relay Contact (8) is normally closed, so when the Radiator Cooling Fan Relay (8) is energized, its contact is open.
Why does my cooling fan not turn on in my Toyota?
The Toyota’s fan only turns on when the coolant reaches a certain temperature, which is measured by a sensor. This sensor switches the cooling fan off and on as needed. A failed sensor can cause the fan to run excessively or not run when cooling is needed. The cooling fan in a Toyota has a relay to regulate when power is provided to the fan.
Why is the radiator not working on my Toyota Corolla?
If everything else seems on the up and up, the springs in the fan clutch have worn past the point of proper function and can no longer do their job. There are many reasons why your Toyota Corolla’s radiator fan is not working. Of all the ones listed above, start with the coolant level, then check the fuse. After that, the order isn’t so important.
Why does the cooling fan come on when the engine is cold?
Every time I go to start the car after it has been sitting for an entire day and the engine is cold, when I turn the key to the “On” position, before the engine is even started, the cooling fan comes on. How is this possible when the engine isn’t even running and the engine is cold. Again, the HVAC is off.