What Causes No Airflow from Car Vents?

1 Answers
McHadley
07/30/25 12:53am
The reasons for no airflow from car vents are as follows: 1. Excessive dust on the air filter, resulting in insufficient airflow. 2. Damage to the vent flap motor or jamming of the vent flap itself. 3. Damage to the air duct assembly, preventing air from the blower from reaching the vents. 4. Malfunction in the air conditioning piping or electrical system causing frost buildup in the evaporator, restricting airflow to the vents. Solutions include: 1. Remove and inspect the air filter, then replace or clean it as needed. 2. Take the vehicle to a repair facility for thorough system inspection and fault diagnosis.
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