Posted on 5/20/2025
Why Does My Car AC Smell Like Mildew? As the temperature rises, many of us rely on our car’s air conditioning (AC) to keep us cool and comfortable. However, there's nothing worse than turning on the AC only to be greeted with an unpleasant, musty odor reminiscent of mildew. If you’ve recently noticed this smell wafting through your vehicle, it’s essential to understand what might be causing it and how to address the issue. In this article, we'll explore the common culprits behind that mildew smell, including the evaporator core, clogged cabin air filter, and the blower motor making noise. Understanding the AC System Before diving into the possible causes of a mildew smell, it’s helpful to understand how an automotive AC system works. The system comprises several key components, including the compressor, condenser, evaporator core, and blower motor. The evaporator core is particularly important in this discussion, as it is where the refrigerant absorbs ... read more