Odor from HVAC vents on Volkswagen GTI

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

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.

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