These cooling fans are designed to remove the heat from the coolant that’s circulating through the motor. What’s The Function Of A Radiator Fan?Įvery vehicle comes equipped with a radiator fan, while some use two for maximum performance. You may also notice some vibration from the imbalanced fan spinning. If a blade bends or breaks, it could lead to a loud noise that indicates failure. Yet, these blades aren’t immune to damage. Because the cooling fan needs blades to work, they must all remain in their place to be effective. For example, when the radiator cooling fan motor is dying, you may hear a whirring or clicking sound.Īdditionally, there could be an issue with the blades that leads to strange noises. Being able to discern the various car noises can help you figure out what’s going on. No one wants to hear strange noises coming from the car, yet unusual sounds normally occur whenever there’s a mechanical failure. However, if you are experiencing other symptoms we’ve mentioned along with this one, it may make sense to check the fans. Most often, there’s a problem with the air conditioning components. Yet, this again isn’t a symptom that you can just assume means a bad radiator fan. It might be most noticeable while traveling at lower speeds since there will be less airflow over the condenser. Therefore, when the air conditioning gets warm or doesn’t seem to work as well, the problem could actually be a bad fan. The radiator fan is responsible for pulling air across the AC condenser. Many people don’t realize how important the cooling fans are to the car’s air conditioning system. That’s why it’s so important to diagnose the problem before replacing any parts. It can even overheat when the fans are working as intended. The trouble with using this symptom alone to determine that the radiator fan is bad is that the engine can overheat because of many different problems. Continuing to drive in this condition can cause permanent motor damage, leading to costly repair bills. Once you see the engine overheating, you should stop driving the vehicle. Your car should have a temperature gauge or a warning light that tells you when the engine is too hot. What you are left with is an overheating engine. If the cooling motors fail, the fans won’t be able to turn on and the temperature continues to rise. When a particular temperature is reached, the cooling fans come on automatically. The purpose of the radiator fan is to cool the vehicle. However, if the fuse continues to blow, there’s a bigger problem occurring. You can replace the fuse and hope it was just a glitch.
If there is a spike in amperage or the motor is failing, the fuse could blow. The fan also runs through a fuse that’s meant to protect it from electrical overload. This symptom can also be caused by a faulty relay or a poor electrical connection. Otherwise, there’s nothing to make the fan blades spin.
This is caused by the motor burning out, rendering the fan useless.Īs a car needs an engine, the radiator fan needs a functioning motor. Most commonly, the faulty fan won’t enable when it’s broken. Let’s examine these five possibilities a little closer. Aside from that, the vehicle may overheat, you could notice poor air conditioning performance and hear whirring noises when the radiator fan is failing. It can also cause the fuse to blow because of an electrical malfunction. When the radiator fan fails, it may not activate at all.
Conclusion Symptoms Of A Bad Radiator Fan
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