Air Conditioning

Air Conditioning Service

It’s the first hot day of summer, and you climb into your vehicle, ready to be cooled by the welcoming AC. Instead, you turn it on, only to be reminded that you have neglected the preventative maintenance of your air conditioning. It happens. Thankfully, Precision Auto Repair Center is your AC service and repair headquarters. Did you know that without regular, preventative maintenance, your vehicles AC loses about 5% of its efficiency per year? Without proper maintenance, your AC unit may be performing as poorly as an older model. Thankfully there is good news! You can recover most of that lost efficiency, by scheduling an appointment with one of our factory-trained professionals. At Precision Auto Repair, we understand all aspects of AC repair, from modern computerized components, to environmental disposal concerns. Today’s AC systems are fairly complex, and new improvements are always being initiated. That’s why you need to turn to us, the qualified source for everything related to your air conditioning system. The following is a brief overview of some of the basic components that comprise your vehicles AC system:

Compressor

  • The compressor is a belt-driven device that derives its name from compressing refrigerant gas, and transferring it into the condenser. While basically acting as a simple pump, the compressor is the core of your vehicle’s air conditioning system.

Condenser

  • The condenser’s primary function is to cool the refrigerant. It is a heat dissipating apparatus that radiates heat, released by compressed gases, and condenses them into high pressure liquids. The location of your condenser depends on how new your car, truck, or SUV is, but typically it’s found at the front of the vehicle, directly in front of the engine cooling radiator.

Receiver (drier)

  • The receiver is a metal container that serves as a storage receptacle for the refrigerant. It’s also referred to as a drier because it absorbs moisture from the refrigerant, and filters out particles of debris and harmful acids that would otherwise harm your AC system. Commonly located on the liquid line of the AC system, you should change your drier every 3-4 years to insure quality filtration, and prevent any damage caused by these detrimental chemicals.

Orifice tube/expansion valve

  • The orifice tube (also known as the expansion valve) is a controlling mechanism that regulates the flow of refrigerant throughout the system. In addition to this, it also converts high pressure liquid refrigerant (from the condenser) into a low pressure liquid, so that it can enter the evaporator. Generally located at the evaporator inlet, the orifice tube could also be found between the condenser and the evaporator, or in the outlet of the condenser.

Evaporator

  • The evaporator is designed to remove heat from the inside of your vehicle; therefore, it’s a heat exchanger that’s vital to your vehicle’s AC system (not to mention your comfort). The evaporator allows the refrigerant to absorb heat, causing it to boil and change into a vapor. When this occurs, the vapor is removed from the evaporator by the compressor, cooling your vehicle and reducing humidity. Because the evaporator houses the most refrigerant in this heat transfer process, it is the most susceptible to corrosion by harmful acids. Usually this damages the evaporator beyond repair, which is why it’s imperative you see us to prevent this from happening.

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