Table of Contents
How do I know if my radiator fan is getting power?
How to Check a Radiator Fan
- Determine whether your radiator fan is manual or electric.
- To check an electric radiator fan, start the car and let it get up to the temperature where the fan normally kicks on.
- Use the volt meter to test if there is power to the wires.
- Normal voltage for a radiator fan is around 12 volts.
When should engine cooling fan come on?
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.
What happens if radiator fan is not working?
What happens if the cooling fan stops working? If your cooling fan stops working, your engine could overheat. This could cause damage to your engine parts. It’s a serious issue and needs to be looked at by a garage.
What does a bad radiator fan sound like?
In some cases, when your radiator cooling fan clutch fails, it will develop a whirring or clicking noise. The noise could result from a bearing that is out of place or a bent fan blade that is touching other components.
Can a car overheat without a fan?
Yes, technically your engine does not need a cooling fan to operate. If the radiator does not have cool air blowing on it constantly, it will overheat eventually, so you’d need the perfect combination of weather and traffic to drive effectively without a radiator fan.
How do you replace a cooling fan on a Jeep Grand Cherokee?
Pull the cover from the fuse box on the end of the panel. Using the fuse diagram on the inside of the cover, locate the fuse for the cooling fan and remove it with needle-nose pliers. If the metal link inside the fuse is broken, replace the fuse.
Why is the radiator fan on my Jeep not working?
Jeep Grand Cherokee Radiator Fan Not Working Causes 1 Wiring. The first thing that you would want to do is locate the fuse for your Grand Cherokee’s radiator fan and make sure that it hasn’t blown. 2 Engine Temp Sensor. Your engine temperature sensor is responsible for relaying your engine temp to the ECU. 3 Low Coolant. 4 Fan Clutch.
How can I tell if my Chevy Aveo radiator fan is bad?
You can test the voltage going from the fan relay to the fan itself. If it is getting 12+ volts, the fan should be coming on. But if it’s not, which means the fan has gone bad. This video from Ratchets and Wrenches is a phenomenal resource on how to properly diagnose a wiring problem.
What to do if cooling fan does not work?
If fan motor does NOT operate, check continuity between terminal 4 of the relay connector (Fig. 43) and body ground connections on the fender panel back from the relay connector (Fig. 42). If continuity exists replace the fan motor.