What Causes Low Airflow from Car AC Vents and How to Fix It?
1 Answers
Dashboard vent blockage: Clean the dashboard vents. If there's air leakage in the dashboard vent ducts, inspect and repair them, replacing if necessary. Abnormal air direction control motor: Inspect and repair the air direction control mechanism. Low blower fan speed: Inspect the wiring, check the blower motor, and replace if needed. If the blower speed control module is faulty, replace it. Frozen AC lines: Replace the refrigerant according to the manufacturer's standards or replace the expansion valve.