Condensation may develop in the heater case which can cause a musty odor from the heating, ventilation and AC (HVAC) system. Our technicians tell us a cleaner is available for the heater case. Also, the drain system should be checked for debris.
Car Problem Reports
Volkswagen Touareg TDI Odor from HVAC vents
Volkswagen Touareg TDI Problem
Average Mileage: 29,500 mi (24,000 mi - 35,000 mi)
Visitor, 2008 Volkswagen Touareg TDI, 35,000 mi
wet sock odor when hvac is started
Haven't found a way to fix this yet. But get a musty smell when I start the car.