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Does the car fan start spinning as soon as the car is started?

1 Answers

Toni

07/30/25 6:17am

Car fans do not start spinning immediately when the car is started; they only begin to rotate when the engine coolant reaches the required temperature. Below are the specific details about car cooling fans: 1. Automatic activation conditions: The radiator fan automatically turns on when the coolant temperature reaches 98°C. The car radiator fan activates automatically and cannot be manually controlled. It does not start at low temperatures, and operates at two speed levels for medium and high temperatures. 2. Medium and high-speed fan operation: Typically, the fan starts at medium speed at 95°C and switches to high speed at 105°C. When the coolant temperature reaches 95°C, the fan starts running at 1600 RPM, and when the temperature reaches 105°C, the fan speed increases to about 2400 RPM to enhance cooling efficiency.

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