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Why does the Audi A6L's fan start running continuously upon startup?

1 Answers

McJeremiah

07/29/25 9:10pm

Audi A6L's fan running continuously upon startup is due to a malfunction in the car's fan control system. Below is an introduction to the car's fan system: Solutions for fan system malfunctions: If the car's fan control system is malfunctioning, it is necessary to promptly visit a 4S shop or a repair shop to inspect and repair the car's fan control system to resolve the issue of the fan running continuously. The radiator fan's activation is not time-dependent but rather depends on the coolant temperature. When the coolant temperature reaches 98 degrees Celsius, the radiator fan will automatically turn on. The car's radiator fan is automatically activated and cannot be manually controlled. It does not start at low temperatures, and at medium to high temperatures, it operates at two speed levels. Generally, it automatically activates at medium speed when the temperature reaches 95 degrees Celsius. The role of the car's fan system: The engine cooling fan is a crucial component of the vehicle's cooling system. The fan's performance directly affects the engine's heat dissipation efficiency, which in turn impacts the engine's performance. If the fan is improperly selected, it can lead to insufficient or excessive engine cooling, resulting in a deterioration of the engine's working environment and affecting the engine's performance and lifespan.

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