Car fan: role, service and price

Your vehicle's fans are part of your vehicle's ventilation system. Thus, they are present in all vehicles, whether they are air-conditioned or not. Their presence is necessary to refresh the air in the cabin and remove fog from the windshield when visibility is impaired. They are located on either side of the dashboard at the front of the vehicle and are round or rectangular in shape.

💨 What is the role of car enthusiasts?

The most important elements of the car ventilation system, fans located under the injectors in the car... They are also called scattered aerators with adjustable shutters to direct the air flow according to your preference. In addition, next to each of them is a dial for controlling the force of the air. They are located at the level dashboard, off the floor, but also on the bay windshield.

In this way, the air can be recovered from the outside. at the inlet or from the passenger compartment when the recirculation mode is turned on. Then the air is directed to Cabin Filter so that it filters out impurities, polluting particles and pollen. Its filtration efficiency will depend on the filter model you choose, you have a choice between pollen filters or activated carbon filters, which are more effective in trapping pollutants.

The air received can be at room temperature, hot if the heating is on, or cold if your vehicle is heated. air conditioner... Thus, the fans will allow renew the air in the cabin by removing carbon dioxide rejected by the passengers of the car.

⚠️ What are the symptoms of an HS ventilator?

The Fans especially prone to pollution which can pass through the cabin filter. The circuit through which the air flows can become contaminated with dust and cause malfunctions. Therefore, fans can show the following signs of wear:

• Car fan no longer stops : the damper can remain open at all times, so ventilation cannot be adjusted or stopped;
• Car fan turns off frequently : It may simply mean that the air needs to be refreshed frequently, especially if there are a lot of you in the car. However, if this is not the case, the problem may be related to the ventilation circuit, which is operating at an increased speed;
• The fan no longer blows air into the passenger compartment. : The cause of this symptom may be a cabin filter completely clogged with impurities or particles. In this case, it is necessary to replace the cabin filter as soon as possible;
• One of the fans is blocked : The aerator may be broken or stuck, it should be inspected by a professional to see if it can be unlocked or needs to be completely replaced.

Before checking to see if any of the fans are out of order, feel free to start with to inspect Cabin Filter... If it is completely damaged, it must be replaced and you can retest the ventilation system.

🛠️ How to check the car heater fan?

To test your car's heater fan, you can do it in two different ways:

1. Turning on the heating : drive the vehicle for fifteen minutes to warm it up, then check to turn on the heating at maximum ventilation. If hot air does not come out, try changing the temperature of the heater to see if it works;
2. Test with battery car : The fan circuit must be connected to a battery with a fuse of the same voltage. This lets you know if the fan is out of order.

If none of the tests are showing results, head to the garage so an experienced mechanic can replace your fan or repair one of the exposed wires in the circuit.

💸 How much does it cost to replace a car fan?

Replacing a fan in a car is not a very expensive operation, unless the ventilation system has been damaged. Indeed, replacing the fan costs between 30 € and 70 €, spare parts and labor included. At the same time, the repair of the circuit requires a deeper study of the vehicle in order to find out the sources of the malfunction.

In the event of a breakdown associated with the ventilation circuit, it is advisable to make a few quotes from different garage owners on our garage comparator. This will allow you to easily compare prices and choose the one that best suits your budget.

Car fans are essential for refreshing the air in the passenger compartment to provide comfort to the driver and his passengers. In addition, they allow hot or cold air to be blown while using heating or air conditioning in the vehicle.