How to Tell If Your Heater Core Is Going Bad

How to Tell If Your Heater Core Is Going Bad

How to Tell If Your Heater Core Is Going Bad : Multi-thousand tips to make your life easier.

The heater core of a vehicle performs a vital task. It is a device that provides heat inside a car during winter. Its parts include a winding tube through which hot coolant from the engine passes, a heat exchanger, and fins attached to the core tubes that act as a medium for transferring heat to the passenger compartment of a car. The heater core is a lifesaver for a car because it is responsible for keeping passengers warm and safe during harsh winter. If the heater core is not working properly, there is a risk that passengers might catch frostbite or, worse, freeze in the middle of a snowy road. It is important to check and maintain your car's heater core regularly to make sure it is functioning well. Here are tips on how to tell if your heater core is going bad:

• Check whether the antifreeze is passing properly through the winding tubes. Smell the car to make sure there are no leaks. If you smell antifreeze or see wet patches at the footrest on the passenger side, then there must be a leak, and the antifreeze is not fully contained in the heater core.
• Take note of any malfunctions in the ducts and vents. Are there deformities in the pipes? Is it possible that there is a hole somewhere? Find the answers to these questions by checking each part of the heater core. Be mindful of smoke and fog coming out of the ducts and vents as you go through this procedure.
• Go over the thermostat and the radiator. Make sure both parts are in good condition. The thermostat controls the temperature in the car. It should be able to provide heat inside through the radiator. If the radiator contains a lot of water, then it means the heater core is malfunctioning because it is not able to transport heat from the radiator to the car interior.
• Test the car heater. Start the engine and turn on the heater, then observe whether the car warms up after a few minutes. Keep the engine running for a while to observe whether the heat is maintained inside for a longer duration. If you notice the temperature dropping and the car is not getting any warmer inside, then the heater core must be checked. Get out of the car and open the hood. Be careful as you do this because the radiator can be very hot. Check the hoses connected from the engine to the heater core. Two hoses connect the engine and the heater core. Feel the hoses with your hands to see if they are hot. If one or both are cold, have your heater core repaired by an expert mechanic.
• Find out the extent of the damage to your heater core. Open the radiator and remove all its contents. Do this when the engine is turned off and has cooled. Flush out the antifreeze as well, and dispose of it carefully following disposal instructions from the government's environmental agency. Remove all the coolant from the radiator and refill. This step should correct the problem with the heater core. Otherwise, it needs to be replaced.

Checking the heater core for defects is a dangerous task. The radiator might burst, or hot leaks might scald your skin. If you are not sure how to go about the whole process, entrust the job to an expert mechanic.