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What are the symptoms of a faulty car electric fan?

1 Answers

ElliotLynn

07/29/25 12:50am

Here are methods to determine whether a car electric fan is faulty: 1. Visual Inspection: Use your eyes to observe the surface; check the coil color 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. 2. Smell Test: Use your nose to detect any burnt coil odor from the fan motor; any melted plastic smell (capacitor); or any burnt wire smell (wiring). The presence of a burnt odor means you need to replace the fan motor, new connecting wires, and capacitors. 3. Touch Test: Manual inspection; rotate the shaft by hand to check its operation. If it rotates with difficulty or isn't smooth, it indicates a lack of oil in the internal bearings or rotor scraping. If scraping occurs, while adding oil and cleaning, you also need to replace the bearings on both sides to eliminate the scraping phenomenon. If the surface temperature rises too quickly or too high when touched by hand, it indicates an inter-turn short circuit in the fan motor, requiring replacement of the fan motor.

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Is it okay to leave a car unused for two weeks?

It's okay. You can start the vehicle for 5-10 minutes every one or two weeks to charge the battery. Here are the relevant details: Long-term parking: During long-term parking, continuous battery discharge can easily lead to battery depletion. In mild cases, it may affect the next vehicle startup, while severe cases can directly cause battery damage. Each instance of excessive discharge causes irreversible damage to the battery. Impact on rubber products: Rubber components in cars, such as tires and door/window sealing strips, are highly susceptible to premature aging due to sunlight and humidity changes, leading to performance degradation and shortened lifespan. The aging of rubber products mainly occurs because rubber is an unsaturated hydrocarbon polymer that easily absorbs oxygen from the air and oxidizes. Additionally, vulcanized rubber has certain permeability, allowing oxygen to penetrate and cause internal oxidation.

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Why does the steering wheel shake when the air conditioning is turned on while driving?

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What does it mean to drive not in accordance with the prescribed lane?

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