When you climb into your car on a freezing day, the first thing you do is turn up the heater. But countless drivers have found themselves wondering, “Why is my car heater blowing cold air?” This inconvenience tends to result from problems with your coolant or blower motor, but it may be difficult to tell just what needs to be done without a visit to the shop. In this guide, we’ll go over some common problems with the car heater, so you can head into the service department informed and ready to go.
Let’s start with the basics. While some cars have electric heaters or air-cooled engines, the vast majority of cars on the road today have water-cooled engines under the hood. These systems move warm coolant through a heater core, which is similar to a mini radiator. The blower motor moves air through the coolant, and the warmed air blows throughout the cabin. This process depends on the warmth of the engine, so it may take your heater a few minutes to get moving as your car warms up.
There are several common reasons why your heater will blow cold air. Let’s break them down:
If you’re sick of a cold cabin, then stop by Tamaroff Nissan for a diagnosis and solution to your car woes. Our talented technicians can fix any issues with your heater, so you can enjoy cozier driving all winter long. Schedule your service today with our experts!