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What Causes the Buzzing Sound When Turning on the Car Air Conditioner?

1 Answers

VonColin

07/29/25 8:43pm

There are several reasons why a car makes a buzzing sound when the air conditioner is turned on: 1. The air conditioner blower has a problem. It may be due to a damaged blower bearing. Solution: Replace the air conditioner blower. 2. The air conditioner compressor has an issue. Solution: Replace the air conditioner compressor. 3. The motor of the exhaust fan inside the air conditioner is damaged. Solution: Replace the motor of the exhaust fan or the entire fan. 4. The blades of the exhaust fan inside the air conditioner are deformed. Solution: Replace the exhaust fan. 5. There is excessive dirt inside the air conditioner. Solution: Clean the air conditioner. The car air conditioner consists of many components. If the car makes a buzzing sound when the air conditioner is turned on, it is advisable to promptly visit a 4S store or a professional auto repair shop for inspection by maintenance personnel to identify the source of the problem for targeted repairs.

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