Quickly fix the problem of cold air coming out of the heating system in the car

How does the heating system in a car work?

You cannot entirely do without the heating system in your automobile because it is responsible for supplying the passenger area with warm air, especially during bitterly cold winter months. This system must therefore be in good working order and available at all times. But how does it operate?

It is connected to the cooling system, which means that when the engine's temperature is high, the liquid that cools the engine passes through it. The heater is similar to the car's main radiator because the very hot liquid passes through it in preparation for heating the interior of the cabin. It is located behind the dashboard between the engine and the cab.

A blower fan is activated after the hot water enters the heater's core using the controls on the center console of your car's control panel, and this heat is then converted into hot air that enters the vehicle through the front and rear ventilation holes.

In addition to heating the driver and passengers, the heating system also serves other crucial functions including clearing snow and ice from the side windows and the windshield, as well as dehumidifying the air within the car.

Although the heater is a robust and durable component that rarely breaks, there are some malfunctions that could affect the air heating and cabin heating, especially in used cars that have not undergone a thorough inspection.

 Some issues necessitate the heater's complete replacement, while other issues are easily fixed at home. This is what the following sentence will cover.

How to fix the issue with the heating system blowing chilly air

Following are some quick and easy procedures to take if your car's heating system is blowing out cold air:

The initial step

In order for the coolant cycle to start properly, you must first start your car's engine and let it run for 5 to 10 minutes to ensure that it reaches its normal operating temperature and that the thermostat opens. Next, you must turn on the heating system at the highest temperature and the highest fan speed, and wait a while if the light turns on. You must clean the cooling system to acquire hot air; else, cool air will come out of the vents.

The next action

Second, you must bring some of the tools you will need for the cleaning process, including: distilled water or coolant, a bucket, a water hose, a container, a screwdriver, pliers, and adhesive tape (antifreeze).

The third action

The dual heating system hoses are connected to pipes on the insulating wall in the engine room under the windshield, and you can put your hand on them to determine where they should be very hot. Because the liquid inside it is the engine coolant, if you have trouble identifying it, contact the mechanic or refer to the owner's manual for your car. Then, open the front cover and ensure that the engine temperature has cooled down so that it can work.

The next action is

Locate the hoses and, using pliers or a special screwdriver, remove them from their location, saving the space for each hose in each; You will observe the exit of turbid, brown water mixed with rust and dust accumulated inside the cooling system and inside the heater after disconnecting the hoses because one is used for entering water into the heater and the other for removing it from it. auto parts

Fifth action

The next step is to insert a second water hose into the heater's water inlet and secure it firmly with adhesive tape. It must be connected to a faucet or a water compressor. Once the water has been pumped through the second hose, you will notice that dirty brown water is coming out of the pot from the other hose, and this dirty water is what has caused the blockage. Turn on the heater and let the water flow through the hoses until the water exits the hose clean and clear.

Sixth action

Fill the cooling system with coolant, preferably a mixture of antifreeze and water at a ratio of 50/50, until it makes up for the deficiency that happened during the cleaning process, then reattach the hoses to the system, each in its position, and place clips on it to lock it in place firmly.

Seventh step

The final step is to close the hood, start the engine, and wait for it to reach operating temperature for five minutes before checking the temperature. If the air comes out hot, the cleaning process was successful, and no further repairs are required, but if it doesn't, you should take the car to a mechanic because the heater could be faulty. Or is there a different issue.