What causes car fans to stop working?
Six things may prevent an electric cooling fan from coming on: Defective temperature switch, coolant sensor or other sensor. Engine thermostat is stuck OPEN (engine never gets hot enough to turn on the fan) Faulty fan relay.
What causes a fan to stop spinning?
One of the most common reasons fans stop spinning is because of a dead capacitor. Each air conditioning system has several capacitors, including the start capacitor, which sends signals to the motor, and the run capacitor, which keeps the motor running. Capacitors can go bad over time and need to be replaced.
Why is the radiator fan not working on my Toyota Camry?
If your Camry is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. There are a few simple reasons that the fan would not be cycling on. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. Here are the most common reasons that your radiator fan does not turn on:
Why does my car have a radiator fan?
You probably already know the purpose of the radiator and the cooling system in your car. When you are driving fast, the wind is passing through the radiator to cool the coolant down without issues, but when you are driving slow, there is no wind pushed through the radiator. This is why we use a radiator fan.
How can I tell if my radiator fan is working?
When a radiator fan works it usually makes a whirring sound that is easily noticeable. However, the radiator fan does not always start spinning on ignition. The ECU signals the radiator fan to work at the precise time. So, do not worry if the fan doesn’t immediately start working. Visually check the fan if you don’t hear its noise. 1. Broken Fuse
Why is my radiator fan not working on my Buick Rendezvous?
If the engine coolant level isn’t high enough to keep pressure in the engine it will run hot. But, there won’t be enough coolant to reach the temperature sensor. Without the coolant hitting the sensor, the temp reading will be significantly lower than the actual engine temp.