Odor from HVAC vents on Chrysler 300M

Some vehicles may develop a musty odor coming from the HVAC system, Dodge has issued a cleaner/disinfectant and a coating for the evaporator designed to inhibit bacterial growth.

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Average mileage: 101,983 (70,000–138,000)
6 model years affected: 1999, 2000, 2001, 2002, more2003, 2004
12 people reported this problem
4 people shared problem details
2003 Chrysler 300M70,000
terrible musty, moldy smell
1 person likes thisFlag inappropiate
2001 Chrysler 300M138,000
My car smelled terrible. My mechanic found that the evaporator coil was plugged and replaced it. That was 3 years ago and I haven't had that problem since. I read up and found that a plugged evaporator coil is a common problem.
2001 Chrysler 300M73,000
I HAVE THE ORDOR COMING FROM THE VENT HAD A LOT OF HELP FROM PLACING A BAKING POUDER BOX INSIDE THE CAR
1999 Chrysler 300M117,000
Oh yeah. I've had this exact problem myself. I'm going to further investigate and hopefully solve this.

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