Your car s radiator holds coolant fluid for the motor to ensure that the motor doesn t overheat.
Car radiator fan not working properly.
Faulty wiring could be to blame.
With no airflow through the radiator it will soon warm up to the temperature at which the fan should cut in.
Although new cars are not immune to wiring problems radiator fan failures due to issues with wiring are more likely to occur on older vehicles.
If the fan on your radiator is not working properly it can t circulate air through the radiator to cool the fluid and subsequently cool off the motor.
The ecu is.
Everything electrical is supported by a fuse so that if there is an electrical surge going towards a.
Long term exposure to heat vibration moisture and corrosion can cause connections to go bad or wiring insulation to become brittle and flake off leaving wires exposed.
When diagnosing an air conditioning issue it s easiest to begin at the compressor.
If the clutch is not engaging use a voltmeter to check for voltage getting to the compressor.
It may cause the fan to cut in and out or not come on at all.
The assembly usually has only three components fan motor thermostatic or thermo switch and relay.
The fan relay controls the power to the cooling fan.
The fan clutch is the assembly that holds the radiator fan to the engine and makes it turn.
If the fan is not working even when the car is heating up there might be a problem with the wiring.
How to inspect and repair a cooling fan that s not working.
If this burns out or fails you ll need to replace it.
If you have had problems with your engine overheating check your radiator fan and water pump.
If there s an issue with the relay the fan will be affected.
If it s not working the fan won t turn on when it needs to which means the engine might overheat.
If you notice that your engine is running at higher temperatures than normal that may be a sign that the relay is not functioning properly.
If the fan is not working these units or the wiring to them may be at fault.
Vehicle overheating another symptom of a possible problem with the cooling or radiator fan motors is the vehicle.
How to repair a cooling fan in your car diy with scotty kilmer.
There are springs within the fan clutch that can wear out or corrode over the years.
With the engine running turn the a c on max cool set fans high and make sure that the clutch is engaging on the.
If everything else seems to be fine the fan clutch is the most likely cause of radiator fan failure.
