When should my cooling fans come on?

When should my cooling fans come on?

To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. Most fans should come on when the coolant reaches about 200 to 230 degrees. If the fan does not come on, something in the control circuit is defective.

When does the fan turn on when the AC is off?

What a nightmare. The fan is automatic, depends on the coolant temperature. That is when the engine is running while the AC is off. Then the radiator fan will turn on when the engine is warm enough. But when AC is turned on, even the engine is icy cold, both fans turn on immediately, am I right??

When is a radiator fan supposed to start?

Temperature will often determine the time that a radiator fan starts up. A temperature-sensitive switch functions to turn the fan on and off periodically. Radiator fans are designed to start when the temperature of the engine coolant reaches around 200 degrees Fahrenheit. A radiator fan uses its fast spinning blades to draw in outside air.

Is the radiator supposed to turn on when AC is on?

Both radiator fans should always run when the AC compressor is engaged. Both radiator fans should always run when the coolant temperature sensor in the bottom tank of the radiator reaches about 212*F. Click to see full answer. Then, is the fan supposed to be on when AC is on? The fan only turns on when cooling or heating (in winter) is required.

When does a car cooling fan turn on?

The cooling fans are designed to turn on once a certain temperature has been reached inside of your vehicle, or certain conditions have been met. If the cooling fan is failing or damaged, the engine temperature will continue to rise, and eventually overheat.

What a nightmare. The fan is automatic, depends on the coolant temperature. That is when the engine is running while the AC is off. Then the radiator fan will turn on when the engine is warm enough. But when AC is turned on, even the engine is icy cold, both fans turn on immediately, am I right??

When do you turn on the radiator fan?

Both radiator fans should always run when the coolant temperature sensor in the bottom tank of the radiator reaches about 212*F. Click to see full answer. Similarly one may ask, is the fan supposed to be on when AC is on? The fan only turns on when cooling or heating (in winter) is required.

Why does my air conditioner fan keep running?

If the coolant temperature sensor is damaged or the wiring to it is shorted this will cause the fan to run. 2. There is a fault code set in the engine computer that will cause it to operate in a failure mode in that it turns the fan on to be sure the engine will be cooled.

When does the cooling fan come on in a car?

Beside above, when should the cooling fan come on? To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. Most fans should come on when the coolant reaches about 200 to 230 degrees. If the fan does not come on, something in the control circuit is defective.