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What isHeater core, how does it go bad? What are some signs that your vehicle's heater core may not be working properly? Start preventative care now so you don't have to deal with costly heater core repairs down the road!

What exactly is a heater core?
The heater core is very important because it allows the hot coolant from the engine to circulate in the passenger cabin, allowing the heater to get hot air. A bad heater core is a bigger problem during the cold winter months, especially if you are dealing with a climate with freezing temperatures.

The purpose of your heater core is to dissipate heat so that your heater and defroster can function properly. The heater core is usually located right behind your car's dashboard and is often difficult to reach. This is why if you were to go to your local auto repair shop, the repair cost would likely be much higher than a normal repair.

How do heater cores go bad?
There are a variety of reasons why your car's heater core may not be working properly. One reason could be due to a blockage, as the coolant can become contaminated if it is not flushed regularly. Another reason for a bad heater core could be a leak somewhere in the system. Find a local auto repair shop to properly diagnose your car's problem to be on the safe side.

What are the signs of a bad heater core?
Here are common signs of a bad heater core and things to watch out for in the future:

There was a sweet smell in the car.
- If you smell a very strong sweet odor inside the car, this is a sure sign that you have a coolant or some kind of fluid leak. If you smell a sweet odor outside the car, check under the car for leaks.

Little or no heat is lost.
- Lack of heat could be a definite sign that your heater core is bad. There's a small chance that your blower motor is faulty. Have a professional check it out to be sure.

Your car is running through coolant quickly.

- If your car is frequently running out of fluid, then you definitely have a heater core problem. When a car system cools and leaks from your cabin, you may not be able to find the leak because of the coolant coming out.

Your car is fogging up.
-A common sign of a bad heater core is fogging up inside your car! You want to make sure you get your car checked right away because this chemical glycol leak is harmful to your health. If you are driving and this happens, make sure you roll down your windows and get it repaired at the same time.

Your car is overheating.
Heater core损坏的一个明确迹象是您的车辆过热。这可能是由于头部垫圈损坏或加热器芯堵塞问题。如果车辆继续过热，请勿驾驶，并确保尽快将其带到当地的汽车维修店！