Condensation in the heater case may cause a musty odor from the heating, ventilation and AC (HVAC) system after sitting for two hours or more. 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 GTI
Average mileage: 48,600 (30,000–82,000)
14 people reported this problem
2010 Volkswagen GTI 30,000 mi, Visitor
Musty odor Clifton ventilation. Reported it to Bozzani VW, and they stated that they would look into it. Hasn't been resolved.