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Radiator Fan

Radiator Fan

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Radiator Fan at 1A Auto

What is a radiator fan and where is it located?

One of the key components of a vehicle’s engine cooling system is the radiator fan. Most front-wheel drive cars, and even a lot of late rear-wheel drive cars, use an electric radiator fan to assist in cooling the radiator (another key component of your engine’s cooling system), and in turn the engine to prevent it from overheating.

As the engine in your vehicle burns the air/fuel mixture, it heats up. Since the engine operates at its best when it is at the right temperature, it needs to be cooled down, and that is what your vehicle’s cooling system is for. Basically, coolant from the radiator is pumped through the engine via the water pump, and the warm coolant then exits back into the radiator. The warm coolant is then cooled down by the air that is passed through the radiator by the radiator fan. Cooled coolant is then pumped back into the engine, and the process repeats itself.

Radiator fans can either be located in front of the radiator to push air through its core or behind the radiator to pull air. There are basically two types of radiator fans: manual and electric. Manual radiator fans are mechanically driven and are attached to the car’s engine, meaning that once you turn your car on and the engine starts running, the radiator fan starts turning as well. Then there are electric radiator fans which include an electric motor and have essentially replaced manual radiator fans in today’s automobiles. Electric radiator fans are controlled by a thermostat and are set to move only at certain temperatures, making them much more efficient when it comes to cooling your engine. Regardless of type, a radiator fan assembly consists of a mounting shroud and fan blade, with the only difference being that an electric radiator fan assembly will also include an electric motor.

How do I know my radiator fan needs to be replaced?

Since it is exposed to extreme heat on a regular basis, radiator cooling fan motors can break down or overheat and melt. If a bearing wears out in the motor, it can also cause the fan blade to shift and strike the shroud causing damage to the shroud and the fan blade itself. A damaged or inoperative radiator cooling fan will result in overheating the engine, especially when the vehicle is not moving. If your vehicle’s engine is overheating, it's time get a replacement radiator fan.

Can I replace the radiator fan myself?

The radiator fan can be a bit tricky depending on the model, but it usually requires a few steps and a bit of patience. You're most likely going to need a screwdriver, hose clamps, a pair of pliers, and a socket and ratchet. Depending on the model, we recommend that you drain the coolant beforehand if you have coolant lines to disconnect. You might have to remove the air intake to reach the radiator fan. Once that's been completed, disconnect any radiator hoses attached to the fan by sliding back the hose clamps and pulling the hoses off. Clip the ends with locking pliers to prevent any coolant from leaking out. Then unbolt the fan with a socket and ratchet and slide it up and out of the car. To reinstall, simply insert it into place and retighten the bolts. Push in any lines you disconnected and reinstall any air intake parts you might have removed. After the repair, we recommend that you replace any coolant you might have lost during the process.

Need a radiator fan replacement?

A working radiator fan assembly is extremely important to the proper operation of your vehicle’s cooling system. Without it, the radiator would not be provided with the air that it needs to keep the coolant that it uses for the engine cool. 1A Auto has a large selection of aftermarket electric radiator fans for many makes and models, at great prices. Our aftermarket electric radiator cooling fans are built to the highest quality control standards – see for yourself!

1A Auto Radiator Fan Features:

  • Includes a new, not rebuilt, electric radiator fan motor
  • Geometrically designed blades for optimal circulation and precise balancing
  • All radiator cooling fan shroud units feature direct bolt on design for easy installation (includes proper


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