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Fan Systems and Cooling Modules

Valeo Complete fan systems Cooling and air management for LCV

Support the engine’s temperature management

The fan system works by forcing air flow through the radiator. Its function is to facilitate and support the engine’s temperature management. Fan system is usually located at the front of the vehicle, either in front or behind the radiator. The design of new vehicles with smaller front grids and smaller space under the bonnet has reinforced the need to force air flow.


Support the engine’s temperature management

The fan system is made of:

  • Fan: to design an optimized fan blades it’s a compromise of, noise, air flow and efficiency. The choice of raw material will play a key role here.
  • Electric motor: The motor is specifically designed for each vehicle to avoid overconsumption. It is controlled by the thermoswitch, the pressure switch or the ECU. It frequently has two speeds (low or high).
  • 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).


Cooling module cools the air conditioning condenser, the engine, the automatic transmission oil or the engine oil. Two types of cooling modules are available:

  • A module comprising the radiator, the condenser and the fan system
  • A module with a radiator and a condenser


Valeo offers divers products of Premium Quality

As the leading O.E. manufacturer, 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 wide product range technologically adapted to many circumstances: fan, fan motor only, motor-fan, complete fan system and shrouds, cooling modules... following the O.E.S. offer. All our products are bench tested to car manufacturer standards. The Valeo range includes the car park vehicules of the markets:

  • ASEAN: example for Nisssan, Mitsubishi..
  • Europe: example for BMW, Mercedes, Audi, Saab, PSA...


Improve your engine cooling performance with the Valeo

Choose Valeo for:

  • One of the OE leaders in Engine cooling in the world
  • Original quality products expertise and original design respected
  • Deep experience of working closely with major car makers: quality control and performance tests according to car manufacturers' standards
  • High quality raw materials: materials are chosen to resist high temperature and vibrations
  • Traceability label for easier identification
  • User-friendly and quality packaging


Did you know ?

A fan:

  • If over-dimensioned, it may cause overconsumption causing a risk of fire
  • If under-dimensioned, performances are insufficient causing a risk of overheating or air-conditioning malfunction
  • A poorly-designed fan could also cause noise and generate vibrations which may lead to failure (motor or shroud).

Valeo surveys with strict tests and standards the quality of its fan systems. Trust Valeo quality! 


In most cases, the fan system should be changed after a crash. Other signals should also alert you to the necessity of a change:

  • Vibration or noise may result from a broken support or damaged fan
  • Engine overheating (damaged fan or electric motor failure)
  • The air-conditioning stops too frequently (the compressor automatically switches of in case of overpressure).