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Why does the car make a hissing sound when the air conditioner is turned on for a while?

1 Answers

OLeah

07/30/25 3:51am

The reason why the car makes a hissing sound when the air conditioner is turned on for a while is due to insufficient refrigerant. Here are some related introductions about air conditioner maintenance: 1. Choose the appropriate air conditioner temperature: When the temperature is set too low, it can affect health, so the air conditioner temperature adjustment must be appropriate. The most comfortable temperature for the human body is between 20°C and 25°C. Above 28°C, people will feel stuffy, and below 14°C, people will feel cold. Therefore, the air conditioner should control the temperature inside the car between 18°C and 25°C. Too low a temperature can easily make people sick. 2. Immediately activate the internal circulation when entering the car in summer: When you first enter the car, you should open the windows for ventilation and turn on the external circulation to expel the hot air. After the temperature inside the car drops, switch to internal circulation.

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