My Car Radiator Fan Not Working

A radiator fan is imperative in keeping the temperature of the coolant low enough.

My car radiator fan not working.

Voltage spikes high resistances in control circuits defective vehicle batteries bad wiring short circuits moisture corrosion and even excessive vibration due to. To check that the fan is working listen for it cutting in and out and watch. This video shows a method of visually verifying that a vehicle fan is operational. The cooling fans are thermostatic and.

You need to inspect all the wiring leading into and out from the radiator fan. If it stops working your engine could overheat and be damaged. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. 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.

Here s how to tell if your cooling fan isn t working what you should do about it and what the problem might be. Your car s cooling fan or radiator fan plays an important job in keeping your engine cool. And that the circuit controlling the fan is working. The cooling fan motors work together with the cooling fan blades to pull air through the radiator.

Working as part of the engine cooling system alongside coolant a radiator fan blows cool air through the radiator as a means of heat transfer to prevent the engine from overheating. If the fan is not working even when the car is heating up there might be a problem with the wiring. If the motor fails the blades will not be able to spin or generate air flow. The temperature sensor determines when the radiator fan comes on by reading the cooling system temperature.

Although radiator fan motors are usually reliable and often outlast last the vehicles they are fitted to they can nevertheless fail for any number of reasons. If the radiator fan is not working correctly your car can get damaged and if you let it go too long without a repair the fix can be thousands of dollars out of your pocket. If the sensor isn t working your fan won t come on because it won t know that the temperature is hot enough to require activation which can frequently lead to overheating. How to inspect and repair a cooling fan that s not working.

The sensor is usually located in the car thermostat cover. Electric radiator fan motors are switched on either by the ignition switch and run while the engine is working or by a thermostatic switch. To ensure optimal performance and lifespan your engine must not overheat. It is possible that a wire has worn out due to heat and needs replacement.