Why is the air vent of Audi A3 not fully blowing air?

1 Answers
Camilla
07/30/25 4:10am
Audi A3 air vent not fully blowing air may be caused by air duct blockage or refrigerant pipe frosting. Below are the solutions for Audi A3 air vent not fully blowing air. Air duct blockage: The air duct is blocked or the air conditioning evaporator filter is clogged. Open the dashboard and check if the evaporator filter is clogged. If it is clogged, replace it. Also, check if there are any foreign objects in the air duct. Refrigerant pipe frosting: The air conditioning condenser refrigerant pipe is severely frosted or frozen, preventing cold air from entering the evaporator. Open the front hood and check if the condenser refrigerant pipe is frosted or frozen. If it is, replace the preheating sensor on the refrigerant pipe. If neither of these is the issue, further inspection at an auto repair shop is needed.
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