What should I do if the car's cooling fan stops working?
2 Answers
The car's cooling fan not working should be checked for sensors, fan motor, and circuits. The reasons why the car's cooling fan is not working are: 1. The water temperature has not reached the required level; 2. The relay is faulty; 3. The temperature control switch has a problem. The car radiator is mainly used for engine cooling and coolant heat dissipation to ensure the engine does not overheat and malfunction. It consists of fan blades, car fan belts, and an electric motor. The maintenance methods for the car radiator are: 1. Avoid contact with acidic, alkaline, or corrosive substances; 2. Use soft water to reduce scale formation; 3. Choose non-corrosive antifreeze; 4. During radiator installation, avoid damaging the cooling fins or denting the radiator to ensure cooling efficiency and sealing.
The car's cooling fan not spinning is something I encountered last summer, and you definitely shouldn't casually drive the car in this condition. Without the fan cooling the engine, it can overheat and potentially seize up in minutes. Common causes include a faulty fan motor, blown fuse, malfunctioning temperature control switch, or aged wiring with poor connections. The first step is obviously to stop driving immediately—safety first. Then, open the engine hood and listen for any humming sound from the fan. If there's no sound, quickly check the fuse box, usually located near the battery, and look for a fuse labeled "cooling fan"—use a multimeter or visually inspect if it's blown. If the fuse is fine, the issue might be with the temperature control switch, which is near the radiator. If the fan doesn’t kick in when the temperature is high, check whether the switch is stuck. Aged wiring is another common culprit—feel the wires for overheating or loose soldering. Personally, I recommend not attempting a DIY fix; instead, call a tow truck or drive carefully to a repair shop for professional help. The cost is usually low, but it prevents major risks. A non-spinning fan doesn’t just harm the engine—it can also affect the air conditioning system. Regularly cleaning the radiator grille during car washes can also help prevent dust from clogging the fan.
