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How to Solve the Problem of Loud Car Electric Fan Noise?

2 Answers

Cecilia

07/24/25 4:31pm

Wait for the water temperature to drop to the normal temperature to eliminate the problem of excessive electric fan noise. Insufficient lubrication of the car electric fan causes loud noise during operation, which can be resolved by adding special lubricant. Severe wear and tear from prolonged use of the car electric fan leads to excessive noise during operation, requiring replacement of parts.

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ElleRose

08/11/25 9:09am

Last summer when I was driving my old car, the electric fan was buzzing unbearably. Upon inspection, I found the fan blades were completely clogged with dust and willow catkins. After cleaning, it immediately became quiet. If it's not a blade issue, then it's likely bearing wear or lack of lubrication, causing grinding noises when rotating. Adding grease or replacing the part can solve it. Voltage instability can also cause noise, which can be checked with a multimeter. Not fixing this issue can easily burn out the fan, leading to engine overheating and worse air conditioning performance. Every seasonal change, I make sure to clean the fan housing myself with a vacuum cleaner—a simple DIY fix that saves money compared to delaying repairs. Of course, if you find it troublesome, just take it to a mechanic for a hassle-free solution.

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