The cooling fan should come on immediately or within the next couple of minutes.
Cooling fan repair on your car.
When you car gets too hot it needs a little extra boost to cool down and the radiator cooling fan is the part for the job.
Well your car has one of its own.
Test for power and ground going to the fan.
Set your air conditioning to the max setting and turn it on.
Test fuses and relays.
Remove and replace the radiator fan motor.
Check the cooling fan relay.
If your cooling fans do not stop even after the temperature has been regulated or even when the car has been switched off then it is probably faulty and needs repair.
To check it you need to unplug it ground the terminal from that end and take the other end of the ground wire to the negative terminal of the battery.
Check your car manual to locate it.
The position of this switch depends on your car.
To better understand the radiator cooling fan you need to understand how the cooling system works.
The more your car s engine works the more heat it produces.
Thermostatically controlled motors do not work the fan until the engine coolant rises above normal operating temperature and then switch off when it has cooled down again.
On many modern vehicles if you want to confirm whether your cooling fan is in working order you can start the engine and let it idle.
They do this until the temperature comes down to normal levels.
Check for proper operation of fan.
To check that the fan is working listen for it cutting in and out and watch the temperature gauge.