Does the car radiator fan blow or suck air?

1 Answers
JayceLee
07/30/25 6:26am
For vehicles with front-mounted engines, the fan sucks air inward; for vehicles with rear-mounted engines, the fan exhausts air outward. Here is some relevant information about car radiators: 1. Introduction: The car radiator, also known as the heat exchanger, is a key component in the car cooling system. It consists of three main parts: the inlet chamber, the outlet chamber, and the radiator core. The coolant flows inside the radiator core, while air passes outside the radiator. The hot coolant cools down by dissipating heat to the air, and the cold air warms up by absorbing the heat from the coolant. 2. Classification: There are two main types of car radiators: aluminum and copper. The former is used in general passenger vehicles, while the latter is used in large commercial vehicles. The materials and manufacturing technologies for car radiators have advanced rapidly. Aluminum radiators, with their significant advantages in lightweight materials, are gradually replacing copper radiators in the passenger car and light vehicle sectors. Meanwhile, copper radiator manufacturing technology and processes have seen substantial progress. Copper brazed radiators show clear advantages in engine cooling for buses, construction machinery, and heavy-duty trucks. Overseas passenger cars are mostly equipped with aluminum radiators, primarily for environmental protection reasons (especially in Europe and the United States). In Europe, aluminum radiators account for an average of 64% of new passenger cars. From the perspective of China's car radiator production development, brazed aluminum radiators are gradually increasing. Brazed copper radiators are also being used in buses, trucks, and other engineering equipment.
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