Radator Fan 074121302B

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A radiator fan in a car is an essential component of the cooling system. Its main function is to help regulate the temperature of the engine by dissipating excess heat generated during the combustion process. The radiator fan is typically located behind the radiator and is connected to the engine cooling system. It works by pulling or pushing air through the radiator's fins, which helps to remove heat from the engine coolant.

When the car is in motion, cool air flows naturally through the radiator, aiding in the cooling process. However, during low speeds or when the vehicle is stationary, the airflow is limited, and the radiator fan kicks in to ensure adequate cooling. The fan is controlled by a temperature sensor that activates it when the engine reaches a certain temperature threshold. By maintaining the ideal operating temperature, the radiator fan helps prevent overheating, which can lead to engine damage and breakdowns.