Category Archives: ACtion Magazine

Are you ready for A/C season?


This is the MACS blog site if you are looking for the MACS main website click here. Repair shops – one question: Are you prepared for A/C season 2018? Circle the right answer: YES – NO What do you mean … Continue reading

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The time for mandatory Section 609 recertification is now


The new refrigerant purchasing rules that took effect January 1, 2018 have had service shops, distributors and the MACS office in an uproar. At the MACS office, the faxes, emails, phone calls and mail deliveries never stop. Every technician wants … Continue reading

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Tariffs: A two-edged sword


By Keith Leonard, Esquire. While not for the first (or the last) time in United States history, the current administration has announced the imposition of tariffs on imported steel and aluminum (though not as to steel and aluminum imported from … Continue reading

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The mobile A/C industry on display


The MACS trade show has always been something special among automotive service exhibitions.  It’s a place where you see parts, tools and equipment for mobile climate control and vehicle cooling systems that you won’t see elsewhere.  And you usually first … Continue reading

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Seeking yf


By Steve Schaeber, MACS Manager of Service Training MACS has been tracking refrigerant use by vehicle manufacturers for quite some time and, as expected for the 2018 model year, we have seen a few more manufacturers choose to change over … Continue reading

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Our struggle with compressor oil


January February 2018 ACTION Magazine One of the most troubling situations a shop technician faces is not being able to find critical service information needed to properly diagnose and repair a vehicle. This could be anything from torque specs and … Continue reading

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Flooded vehicle dangers-Nov/Dec ACTION magazine


Far more important than the automotive service world, floods related to Hurricane Harvey,  Irma, Jose and Maria have been responsible for taking dozens of lives and destroying the homes of thousands of citizens living in Texas, Louisiana, Florida and Puerto … Continue reading

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MACS Worldwide members can train their employees with MACS help


For many years the Society has published a monthly technical newsletter called the MSR (MACS Service Reports). If you’re a MACS member, then you’re probably familiar with receiving the MSR in your mailbox each month or online in your email. … Continue reading

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Engine cooling fans-enough time?


By Steve Schaeber, MACS Technical Editor The hottest days of summer are the most taxing on an engine cooling system. Drivers run their air conditioners to stay cool, which makes the system work even harder, particularly when driving in humid … Continue reading

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A technician’s approach to HVAC diagnosis and testing


Twenty years ago, we could break down all areas of HVAC diagnostics into three categories when you really think about it. It was and still is called Heating, Ventilation, and Air Conditioning (HVAC). All of the HVAC parts and components … Continue reading

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