Automotive AC service at Tristar Automotive in Santa Rosa, CA.

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Lemonbest® Car AC Air Conditioner Refrigeration R134A R12 Converting Adapter Hose Set Kits 8 Pcs

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  • TAG : How Automotive Air Conditioning Works
  • Here you can search our archives for automotive air conditioning advice and tips or start a new conversation! Feel free to join in! It’s free and you might just find the answer you were looking for. Check back often for more automotive ac insight, tips or even just to say hello.

    For me the number one tool in reducing the comebacks I experience when working on automotive AC is the Freon leak detector. This tool provides a signal when it sniffs or detects refrigerant in the air. I find the Robin air tool very reliable. It provides an audible beeping sound when it see's this refrigerant.

  • Eventually, it was determined that the refrigerant used for decades in automotive AC, known as R-12, CFC-12, or its brand name Freon, was damaging the ozone layer (it's a chlorofluorocarbon). It was banned from being manufactured in the United States and an alternative, called R-134a or HFC-134a, was required for all cars manufactured after 1996. Now, any car older than that needs to be retrofitted with a new system that can use the newer, safer .

    One issue with automotive AC is the Freon itself. It is an invisible gas that has no color or odor. Add to this fact the most modern systems only use about 24 ounces of Freon and even a small leak can cause the AC to blow warm air over short period of time.

      Featured Automotive AC Articles From Cool Profits

  • It's also been with us longer than you might think. Packard invented automotive AC all the way back in 1939, and in 1940 was the first car company to offer factory-installed air conditioning. Of course, this early system didn't have a thermostat, but it was better than not having anything at all. The idea caught on, though, and by 1969, more than half of all new cars were sold with air conditioning built in. That's not including the aftermarket AC units that could be installed during the first heat wave of the year, when the new owner regretted his penny-pinching at the dealership in January.

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