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SERVICES - Air Conditioning Repair

Bari's Automotive Repair Services in Rancho Cordova

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Brake Repair Service
Air Conditioning Repairs

Our expert mechanics will inspect, evacuate and re-charge your car's air conditioning system with R134 Freon. They will also add leak detection dye, and perform pressure and temperature tests to ensure proper operation.

Your auto's air conditioner system works on the same principle as your home's refrigerator; remove heat and humidity from inside an enclosed space and leave cold air in its place.

Your ac unit consists of the following components:

  • A Compressor, which compresses and circulates refrigerant in the system.
  • Refrigerant, (on newer cars, usually a substance named R-134, and on older cars R-12 Freon) that carries heat. R-12 Freon is becoming increasingly more expensive and difficult to find (it requires a license to handle).
  • A Condenser that changes the phase of the refrigerant and removes heat and expels it from the car.
  • An Expansion Valve (sometimes called an orifice tube), a nozzle that simultaneously drops the pressure of the refrigerant liquid, meters its flow, and atomizes it.
  • An Evaporator to transfer heat to the refrigerant from the air blown across it, cooling the car.
  • A Receiver/Dryer, that acts as a filter for the refrigerant/oil, removing moisture and contaminants.

The air conditioning process in action:

First the compressor puts the refrigerant under pressure and sends it to the condensing coils (generally located in front of the radiator). Compression heats the gas. The condenser combines that added heat with the heat the refrigerant picked acquired in the evaporator and expels it to the air passing over it from outside your auto. When the refrigerant cools down to its "saturation" temperature, it will change from a gas back into a liquid (this gives off a blast of heat known as the "latent heat of vaporization"). The liquid refrigerant then goes through the expansion valve to the evaporator coils inside of the car, where it loses the pressure that was gained in the compressor. Some of the liquid will change to a low-pressure gas as it cools the remaining refrigerant. This two-phase mixture enters the evaporator, and the liquid part of the refrigerant will absorb the heat from the air moving across the coil and then evaporate. Finally, a blower pushes air across the cold evaporator to cool your car's interior.

Auto air conditioning repair Rancho Cordova: If your auto air conditioning needs repair, that is, if the air isn't really cold or doesn't blow at all, don't suffer in the summer heat! Call us today at 916.241.3943 and schedule an inspection.

Did you know?

The Packard automobile company was the first manufacturer to offer air conditioning as an option. In 1939 these rear-trunk A/C units required users to manually install or remove a drive belt on the compressor to turn the system on or off. The option cost a added $274 to the price of the car. Back then the average yearly income was just $1,368, so this was a huge investment. The price, combined with the start of World War II, caused the option to be dropped.

It wasn't until 1953 that A/C returned to the automotive industry. A number of manufacturers offered it as an option, all of them being trunk-mounted systems similar to what Packard first offered in 1939. In 1954 Pontiac and Nash become the first companies to mount the A/C system in the front of their cars. The Nash system combined the heater and air conditioner into a single in-dash system that became the standard we see in modern cars today.