Posted on 1/6/2025
Why Does My Car Heater Have a Bad Smell? A properly functioning car heater is essential for comfort during colder months. However, when your car heater starts emitting unpleasant odors, it can make your drives uncomfortable and signal deeper mechanical issues. Let’s explore the common causes of a smelly car heater and why Tim’s Automotive Repair and Sales, located at 15688 SE 135th Ave, Clackamas, OR, is your trusted destination for reliable auto repair. Common Causes of a Bad Smell from Your Car Heater 1. Mold and Mildew in the HVAC System Mold and mildew buildup is a leading cause of musty odors coming from your car heater. Moisture trapped in the evaporator core creates the perfect environment for bacteria and mold to thrive. Signs: Musty or damp smell when the heater is turned on. Odor diminishes slightly after running the system for a while. Why It Happens: The evaporator core retains moisture, fostering the growth of mold and bacteria. These odor ... read more