A musty odor may be noted from the heating, ventilation and AC (HVAC) system after sitting for two hours or more due to condensation in the heater case. Our technicians tell us that a cleaner is available for the heater case and the drain system should be checked for debris.
Odor from HVAC vents on Volkswagen Golf
Average mileage: 30,000 (30,000–30,000)
5 people reported this problem
1 person shared problem details
2010 Volkswagen Golf30,000Visitor
The vents stink after A/C use. It smells like mold.
it does not happen when engine is cold only when it is heated
The vents on the passenger side is leaking and steaming up the windows at 230 temp