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.
Average mileage: 47,000 (24,000–104,000)
10 people reported this problem
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I am smelling a metallic odor coming from the AC. Have had a lot of rain lately and high humidity.
Strong musty/mildew smell from vents when AC is first turned on.
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.