Tag Archives: professional service

Velocity Channel’s John Gardner to deliver MACS 2018 Keynote Address


John Gardner, host of Tech Garage and Motorhead Garage on Velocity Channel, MAVTV and Chipola College automotive technology instructor will deliver the Keynote address at MACS 2018 Training Event on Thursday, February 15, 2017 at the Caribe Royale Hotel and … Continue reading

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EPA’s HFC Regulation Thrown Out by US Court


By Steve Schaeber, MACS Technical Editor On August 8, 2017, a US District Court of Appeals reversed a 2015 EPA rule which removed R-134a from their SNAP list of acceptable substitute refrigerants for newly manufactured passenger cars and light trucks … Continue reading

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MACS ACTION magazine honored with 7 IAMC awards


MACS ACTION™ magazine has been honored with seven medals for editorial excellence by the International Automotive Media Competition. The IAMC program recognizes and encourages excellence in all forms of automotive media from works published, aired, or broadcast in 2016. The MACS … Continue reading

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Looking for mobile A/C wiring diagrams? We know where they are!


MACS mobile A/C diagnostics app includes wiring diagrams for mobile A/C systems for cars and light duty trucks. The only way to get the MACS mobile A/C diagnostics app is to become a MACS member. Join Now! Visit the MACS … Continue reading

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Tata Motors and MAHLE partner together to develop a prototype Secondary Loop Mobile Air Conditioning System on a vehicle


Tata Motors Limited and MAHLE, one of the world’s 20 largest suppliers to the automotive industry, have signed a joint development agreement for designing and developing a Secondary Loop Mobile Air Conditioning System (SL–MAC), under the aegis of United Nations … Continue reading

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Keeping pace with change


We have been hearing about the evolving and expanding roles of air conditioning and cooling as technology continues to develop. A couple examples will appear in the 2018 Dodge Challenger SRT Demon to be released this fall. When in Drag … Continue reading

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Get the MACS mobile A/C diagnostics app with your paid MACS membership


  Nearly a year in the making, the MACS mobile A/C diagnostics app is now available. The MACS board of directors decided last fall that it was time for MACS to fully embrace current technology and push our information out … Continue reading

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HD and OTR vehicle service: Keep it clean


July/August 2017 MACS ACTION Magazine It’s been said that cleanliness is next to godliness. This can also be considered gospel when servicing heavy duty (HD) and over-the-road (OTR) refrigeration. These systems operate in far more severe conditions compared to those … Continue reading

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Cool runnings


By Steve Schaeber, MACS Technical Editor The main purpose of a thermostat is to help the cooling system regulate engine operating temperatures to within the manufacturer’s specification. This is normally done by first remaining closed to allow engine coolant to … Continue reading

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Thermocycle leaks


Radiator leaks are nothing new, and some technicians may initially blame a faulty part, poor construction or shoddy workmanship during installation when a leaker shows up in their bay, particularly when it’s a later model vehicle that has failed. But … Continue reading

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