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October 28, 2013 Service bulletin

A musty/mildew type odor may come from the vents when the air conditioning (a/c) system is operating. it...

Mazda technical service bulletin 07-002-13-2842 for 2004-2014 Mazda MAZDA3, 1998-2002 Mazda 626 and 2013-2014 Mazda CX-5 and others.

Bulletin number
07-002-13-2842
Component
Equipment: appliance: air conditioner
Summary
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned on. This odor is the result of mold growth in the A/C evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually worse during high humidity conditions. “mazda air cooling coil coating” is available to encapsulate the mold to reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three years.note:see parts information for mazda air cooling coil coating and kit part numbers.

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