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Why is the Passat's air conditioning so noisy?

1 Answers

VanCamille

07/29/25 10:09pm

There are several reasons why the Passat's air conditioning is very noisy: Faulty compressor electromagnetic clutch: Since the compressor often operates under high load and changes speed from low to high, the requirements for the electromagnetic clutch are very high. The installation position of the electromagnetic clutch is mostly close to the ground and often comes into contact with rainwater and mud. When the bearing inside the electromagnetic clutch is damaged, it will cause noise. Improper tension of the compressor drive belt: If the compressor drive belt is too tight or too loose, it will affect the lifespan of the electromagnetic clutch. If the drive belt is too loose, the electromagnetic clutch is prone to slipping. If the drive belt is too tight, the load on the electromagnetic clutch will increase.

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