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Why is there no air coming from the car air conditioning vents?

1 Answers

MilesMarie

07/30/25 2:48am

The reasons for no air coming from the car air conditioning vents are: the gear switch or knob is not properly adjusted; the air duct diverter valve is damaged; the air conditioning vents are blocked. Methods for cleaning car air conditioning vents: 1. Disassemble the dashboard and remove the air conditioning evaporator; 2. Clean the air conditioning evaporator with a brush; 3. Start the car and turn on the air conditioning to allow the foam cleaner to circulate within the air conditioning system; 4. After 4-5 minutes, turn off the air conditioning and engine. Precautions when using the air conditioning: 1. Choose an appropriate air conditioning temperature; 2. Do not immediately activate the internal circulation when entering the car in summer; 3. Do not keep the air conditioning on for extended periods; 4. Do not randomly adjust the vent direction; 5. Use the air conditioning in a fully enclosed state; 6. Do not rest or sleep for long periods in a parked car with the air conditioning on.

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