How to Deal with the Sour and Musty Smell in Car Air Conditioning?

1 Answers
MalachiRose
07/28/25 4:01pm
Solutions for the sour and musty smell in air conditioning: 1. Replace the car air conditioning's air filter element, ensuring regular cleaning and replacement. 2. Clean the ventilation ducts, preferably when replacing the air filter element. 3. Clean the blower, ideally performed by professionals to avoid damage. 4. Clean the car interior, paying more attention to the hygiene inside the car. 5. Turn off the cooler before parking and dry the evaporator and ventilation ducts. These measures can effectively prevent the issue and extend the evaporator's service life. Note: A strong sour and musty smell in the car air conditioning is often caused by problems in the air conditioning system, such as severe contamination of the air filter element, excessive humidity inside the evaporator box, or accumulation of dust and impurities in the air conditioning vents.
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