What causes the hissing sound when the car's air conditioning is turned on?

1 Answers
HectorRose
07/30/25 8:55am
The hissing sound when the car's air conditioning is turned on may be caused by damaged blower fan blades or foreign objects. Here are some relevant introductions about car air conditioning maintenance: 1. Comprehensive inspection of the air conditioning: When using the air conditioning for the first time, you should first check the air conditioning system, such as checking the refrigerant and whether the air filter is too dirty through the liquid storage tank, and whether there are foreign objects in the radiator; 2. Replace the filter: Pay attention to the cleaning of the air conditioning and regularly replace the air conditioning filter. 3. Maintenance of the car air conditioning liquid storage tank: The liquid storage tank should be replaced in time after two years of normal use, and a new liquid storage tank needs to be replaced every time the pipeline is disassembled for repair or cleaning.
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