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At what temperature does the Buick Excelle's fan start working?

3 Answers

GabrielMarie

07/29/25 8:20pm

The fan starts operating at 90 degrees. Here are the specific details: Related introduction: The working principle of the electric fan is that the car's electric fan is controlled by a thermostat. When the water temperature rises to the upper limit, the thermostat turns on the power, and the fan starts working. When the water temperature drops to the lower limit, the thermostat turns off the power, and the fan stops working. Extended content: Method to determine the condition of the Buick Excelle's electric fan: Check the color of the coil at the fan motor's ventilation port for any signs of burning. If there are burn marks, it indicates that the fan motor coil has burned out and can no longer be used. Smell the fan motor for any burnt coil odor or melted plastic smell.

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JacksonRose

08/14/25 4:54pm

The Buick Excelle's cooling fan typically activates automatically when the coolant temperature reaches around 95°C, which is part of the standard cooling system design. When the engine operating temperature rises, the temperature sensor detects the heat value and triggers the fan operation to assist the radiator in rapid cooling. I've personally experienced situations during summer road trips where the coolant temperature surged, causing the fan to start humming at 94°C – especially during traffic congestion or when running the AC under heavy load, the fan activates more frequently. If the temperature exceeds 100°C without fan engagement, this may indicate sensor failure, fan motor issues, or a stuck relay. In such cases, never push the vehicle – immediately pull over and seek professional inspection to prevent engine overheating damage. Normally, monitor the temperature gauge; maintaining 80-90°C during regular driving is acceptable, with occasional fan activation being part of the standard protective mechanism.

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VanAdalynn

10/16/25 3:50am

When driving a Buick Excelle, the fan typically activates around the 90-degree range, specifically between 92 to 97 degrees Celsius, with slight variations depending on the model year. I recall one instance in city traffic where the temperature gauge rose to about 95 degrees, and the fan kicked in, making a noticeable noise to cool the engine. This design is intended to protect the engine, preventing component deformation or oil leaks under high temperatures. If the fan delays or fails to start, it can lead to a continuous rise in coolant temperature, ultimately affecting power output. It's advisable for owners to monitor the coolant temperature closely in hot weather. Don’t worry when the fan is running, but make sure to regularly clean dust and debris from the radiator to ensure unobstructed airflow, allowing the fan to operate efficiently.

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