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What Causes Loud Noise from the Car AC Fan When Turned On?

1 Answers

Adaline

07/29/25 1:31pm

Reasons for loud noise from the car AC fan when turned on: The blades of the exhaust fan inside the AC are deformed, it is recommended to replace the exhaust fan; The motor of the exhaust fan inside the AC is damaged, it is recommended to replace the exhaust fan; There is excessive dirt inside the AC, it is recommended to clean the AC. Below is information about the car AC fan: 1. Car fan: The car fan generally cools the radiator. The fan's operation drives air flow, which helps lower the water temperature, but the water temperature should not be too low. An engine temperature that is too low is also not ideal. Of course, the thermostat and water pump also work together, so cooling only occurs when a certain temperature is reached. 2. Car air conditioning: Generally includes a cooling device, heating device, and ventilation device. This combined system makes full use of the limited space inside the car, has a simple structure, and is easy to operate, making it a popular modern car air conditioning system internationally.

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