Why doesn't the car radiator fan turn?

If the water temperature is still very high, it may be the following two faults: 1. Relay failure: if the water temperature meets the requirements and the car radiator fan still cannot work, it may also be a problem with the relay of the fan. If the relay fails, the radiator fan of the car also can't work. 2. There is a problem with the temperature control switch: if there is no problem in the above two aspects, then you should check the temperature control switch. Sometimes there will be some faults in this place, it will also have a certain impact on the operation of the car radiator fan, so it should also be checked. Expansion Data: car radiator: 1. The car radiator consists of three parts: the inlet chamber, the outlet chamber and the radiator core. Coolant flows inside the radiator core and air passes outside the radiator. The hot coolant is cooled by cooling the air, while the cold air is heated by absorbing the heat emitted by the coolant. 2. There are two main types of car radiators: aluminum and copper, the former for general passenger cars and the latter for large commercial vehicles. Automotive Radiator materials and manufacturing technology are developing rapidly. With its obvious advantages in lightweight materials, the aluminum radiator has gradually replaced the copper radiator in the field of cars and light vehicles, while the copper radiator manufacturing technology and technology have made great progress, copper brazing radiator has obvious advantages in engine radiators such as passenger cars, construction machinery and heavy trucks. 3. The radiators for foreign cars are mostly aluminum radiators, mainly from the perspective of environmental protection (Especially in Europe and America). In Europe's new cars, aluminum radiators account for an average of 64%. From the development prospect of automobile radiator production in China, the aluminum radiator produced by hard brazing is gradually increasing. Hard brazing copper radiators are also used in buses, trucks and other engineering equipment.
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