Volkswagen Passat TDI Problem Report

Volkswagen Passat TDI Odor from HVAC vents

(1 report)

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.

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