Posted on 12/20/2024
Nothing is more uncomfortable than being stuck in a freezing car without heat during the colder months. Your car’s heater is essential for comfort, defrosting the windows, and ensuring safe visibility on frosty mornings. So, what could cause the heater to stop working? Let's look at some common issues and find out how to address them. How Your Car Heater Works Before diving into potential issues, it helps to know how the system operates. A car heater pulls heat from the engine’s coolant system. As the engine runs, the coolant absorbs heat and circulates it through the heater core—a small radiator-like component. A fan then blows this warm air into your cabin. Sounds straightforward, right? Well, a fault anywhere in this chain can leave you shivering. Low Coolant Levels Low coolant levels are among the most common reasons for a malfunctioning heater. Since the heater relies on hot coolant to generate warm air, insufficient leve ... read more