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Why Is My Car's Heater Blowing Cold Air?

Last updated 4 years ago

The last thing you want when you get into your car on a cold winter morning in the Atlanta area is to find that your car’s heater is blowing cold air, even after the engine has had a chance to heat up. Before you head to a car repair shop, read on to find out what issues are most likely to be at the root of this problem.

Insufficient Coolant

Your local car repair shop can easily fix the most common cause for a broken heater by adding coolant to your car’s radiator. If you don’t have enough coolant, your car’s heating system will have too much air in the heater core and hoses, and heat will not be able to flow adequately. Sometimes low coolant means that you have a leak in your cooling system, so it’s good to head to a car repair shop to make sure that the issue is fully repaired.

Heater Core Failure

If the heating issue isn’t related to your car’s level of coolant, you could be faced with a broken heater core. This component of your car’s heating and cooling system needs to be flushed at a car repair shop on a regular basis or else it will get clogged up with debris. In addition to cold air blowing from your car’s heating system, other likely symptoms of a bad heater core include coolant links, erratic heating, a noisy heating system, or delayed heating.

Other Common Problems

Sometimes your car’s heating system might stop working because the hoses are pinched and are preventing heat from flowing into the cabin. The airflow control or inlet door of your car’s heating system may also be broken. In either case, your heater needs professional care as soon as possible.

Dekalb Tire and Automotive Repair has all of the resources necessary to diagnose and fix all of these common heater problems. Call our family owned repair shop today at (404) 252-9895 or visit our website for more information about our convenient locations in the Atlanta area.

 

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