Here in Utah, we’re no strangers to hot summers. So, in order to be comfortable in our cars, air conditioning is essential. An air conditioning system has unique needs and challenges under the hood. Our Master Muffler location in West Valley is a full-service repair shop and we can help you solve whatever problem arises with your car’s air conditioning system.

How Does Air Conditioning Work ?

air conditioning vent in car

Your car’s air conditioning system is rather unique from the rest of your car’s engine and associated parts. Air conditioning works using principles of thermodynamics, cycling refrigerant through high-pressure and low-pressure stages of a closed system. As refrigerant transitions from the high-pressure zone (wherein it’s compressed to liquid form) to the low-pressure zone, it evaporates and expands, quickly absorbing heat from all the surrounding air. This suddenly-cooled air is blown through the vents of your car, keeping you completely comfortable and cool.

Time to cool down

Looks to Master Muffler for all things air conditioning.

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Common Problems with the Air Conditioning

  • Leaks: One of the most common problems with an air conditioning system is a leak. Air conditioning is a closed system, which means that it shouldn’t be exposed to outside air. A leak can quickly cause the pressure to drop, which interrupts the refrigerant cycle. It’s also hazardous to have a large refrigerant leak. The liquid is a controlled substance, dangerous to be consumed by either animals or plants, and it must be handled and disposed of by a professional.
  • Low Refrigerant: Along with leaks comes the problem of low refrigerant. Even without a large leak, infinitesimal amounts of refrigerant can be lost during each cycle, which means that even a well-functioning system might need a recharge in order to work optimally. Unlike other fluids in your car, freon isn’t something you can top up yourself. Bring your car to a professional to ensure that you don’t lose excess refrigerant or mishandle dangerous material, so the proper pressure can be maintained.
  • Broken Compressor: The compressor is the engine that runs the whole refrigerant cycle. If your compressor isn’t getting the energy needed to power the A/C, the entire system stops. Whether the compressor is actually broken, or its connection with the engine isn’t working, we can trace the problem to see what’s wrong.
  • Bacterial Growth: Fungi, algae, and bacterial growth can all happen in your air conditioning system when it’s been out of use for a while. Usually, this comes in the form of a musty, unpleasant funk when you turn your air conditioning on for the first time after a winter of hibernation. It’s not good (and certainly not pleasant) to circulate this air through your car, so it’s best to bring in your car for a system flush to get rid of any microorganisms that have taken up residence.
  • Broken Ventilation Fans: Fans are used in two different stages of the air conditioning cycle: once to cool and pressurize the vaporous refrigerant, and then again to propel cooled air from the evaporator into your car. Since these fans are continuously oscillating, they can become stressed and break or slow down.
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