What causes the rear air vents in the Boyue Pro to have no airflow?

1 Answers
McSavannah
07/29/25 8:00pm
The reasons for no airflow from the rear air vents in the Boyue Pro include blower malfunction, clogged cabin air filter, and control system failure. Below are detailed explanations for each of these causes: Blower malfunction: The blower is the core component determining whether the car's air conditioning system produces airflow. If it is damaged, the car's air conditioning will inevitably fail to blow air. Blower malfunctions are typically caused by overheated internal coils or capacitor damage. You can check for blower issues by turning the car's air conditioning speed and airflow to maximum and listening for the blower's sound. If a malfunction is detected, it is necessary to visit a 4S shop or repair facility for servicing. Clogged cabin air filter: A clogged cabin air filter is one of the most common causes of airflow blockage in the system. Outside air passes through the cabin air filter before entering the car's interior, trapping various airborne particles, which can lead to clogging. You can remove the cabin air filter to inspect its cleanliness and replace it if it is excessively dirty. Control system failure: If neither of the above causes applies, the issue may lie with the car's air conditioning control system. Possible culprits include the air blend door, control switches, or the air conditioning computer. In such cases, it is advisable to contact a professional for diagnosis and repair.
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