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Understanding Your Vehicle’s AC System
Due to the placement of hoses, lines, and other components in the air conditioning system of your car, it can be complex. Your vehicle’s AC system heats and compresses the refrigerant before allowing it decompresses into a liquid, which causes it to lose heat quickly. This process is repeated continuously to reach the desired temperature.
It is easier to understand the basic concept when you break down the components as follows:
- The compressor is powered by an engine belt that squeezes or compresses gaseous refrigerant.
- The condenser returns the liquid to its original state after cooling it down with a series of finned tubes. The fluid is then passed through a receiver or dryer that removes the excess water, reducing the chance of ice forming in the AC system.
- The liquid refrigerant is then introduced to the evaporator through a thermal expansion device, where it is exposed to the heat of the vehicle cabin. The fluid then boils and is reduced to gas again. The heat of the air surrounding the coil is absorbed during this process. The fan blows the atmosphere through the vents, producing crisp air.
Most cars have the same AC components, which include a compressor and condenser. These parts work together to keep the car cool in the summer heat. If these components fail, the heat is unbearable, and a window rolled down won’t help.
The top reasons your AC might not blow cold air in your car:
You Need to Recharge Your AC in your Car
It is most likely that the vehicle’s air conditioning system needs to be charged. If you want to save time, and ensure the job is done right, make an appointment at your local auto shop.
Ace Auto, located in West Jordan, Utah, can recharge your AC system. Call us at 801-447-1693 for a free estimate and get back on the road comfortably with a recharged AC.
An AC System Refrigerant Leak
Detecting a leak in your AC system can be challenging because the fluid immediately evaporates upon contact with air. Professional mechanics use specialized tools to detect a leak. They inject ultraviolet fluid into the AC system to reveal signs of low pressure. AC refrigerant system leak signs:
- Clicking sound when AC is turned on.
- AC is frequently on and off.
- When the engine is turned off, the AC system makes hissing noises.
- Around AC pipe fittings, hoses, and oil residue.
Repairing a refrigerant leak may involve replacing or repairing a failing component. If much fluid is lost, your AC system may need to be flushed and the fluid replaced. This will allow it to work correctly and flow with cool air. Please note that refrigerant, a toxic and dangerous chemical, should only be handled by trained professionals using the right equipment.
Fan Motor Failure
The fan motors in front of your vehicle’s engine are another common cause of AC problems. It is vital that your vehicle’s fan, whether it has two or one, is working correctly to keep you cool as well as to cool your engine.
Ace Auto, located in West Jordan, Utah, offers a free repair estimate and will work quickly to repair your AC.
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