Helpful Tips Blog

Cooling, Heating, and Air Conditioning system part 2:

Posted by Adams Custom Engines on June 21, 2016 at 1:40 PM

As promised in the previous blog, here is part 2 of cooling, heating, and air conditioning system.

Coolant is important in the heating system as well. When you turn on the heater in the cab of the car, heated coolant is drawn by the water pump through a heater control valve to the heater core. The hot coolant passes through the core and releases its heat.

When you use the air conditioner in your car, you are removing heat rather than adding cold. The fluid that accomplishes this task is call refrigerant.

Refrigerant in a car is circulated through an evaporator. An expansion valve regulates the flow of refrigerant into the evaporator, and as the refrigerant moves through the evaporator, it boils and absorbs heat from inside the car. From the evaporator, the heated refrigerant moves to the compressor. From the compressor, the refrigerant goes to the condenser.

In the condenser air cools the refrigerant and returns it to a liquid. As a high pressure liquid once again, the refrigerant flows to the receiver dryer that removes any moisture from the liquid. A blower motor forces this cooled air into the car through the vents. To keep your air conditioning in good working order, run it for about five minutes once a week whenever the outside temperature is above 50 degrees. This will lubricate the many rubber components of this system to avoid them from drying out and cracking.

Visit our blog site regularly for more helpful hints and tips. Stay tuned for our next blog when we discuss how to find the automotive treasure in your garage.


All information on this blog is for educational purposes only. Any thoughts and opinions expressed will not be held liable for any losses, injuries, or damages due to any inaccuracies.


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