The design of new vehicles with smaller front grids and smaller space under the bonnet has reinforced the need to force air flow. The fan system provides an efficient air flow and optimizes the heat exchange to the radiator. It is usually located at the front of the vehicle, either in front or behind the radiator.
The fan system is made of: A support Its role is to fix the fan to the vehicle. On some vehicles, the support is also designed to improve the airflow (the shroud).
A poorly-designed fan could also cause noise and generate vibrations which may lead to failure (motor or shroud). Valeo has a strong experience in developing Engine Management Systems products and offers the best possible technological solutions for the challenging aftermarket. Valeo offers a smart radiator range along with a complete range of Engine Cooling Products.
In most cases, the fan system should be changed after a crash.
Other signals should also alert you to the necessity of a change:
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