Odor from HVAC vents on Volkswagen Passat TDI

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: (–)
1 model year affected: 2005
1 person reported this problem
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