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09Sep

By Steve Schaeber, MACS Technical Editor It was during the general session meeting on Thursday morning at MACS 2016 Trade Show in Orlando that we first learned about GM’s intention…

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09Sep

By Steve Schaeber, MACS manager of service training Proper air flow across the heat exchangers in an air conditioning system is key to its being able to transfer heat efficiently….

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08Aug

You may think that a bit of noise with the air conditioning turned on is not the highest priority item for a motorist. After all, if the car is running…

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06Jun

MACS has been committed for many years to supporting the institutions and instructors who educate future generations of automotive technicians who will ensure these motorists can continue to safely enjoy…

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04Apr

By Steve Schaeber, MACS Technical Editor Coolant leaks take on many different forms. Some we’re used to seeing, as they’re common failures that make up some of the bread and…

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03Mar

By Steve Schaeber MACS Manager of Service Training Many of the service shops and technicians we talk to about vehicles using refrigerant 1234yf are only just starting to get requests…

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02Feb

Download the March 2016 Issue of ACTION magazine

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09Sep

Few have a better right to address “Cooling the Classics” than MACS Technical Advisor Ward Atkinson, who was the test and development engineer for the first production A/C system introduced…

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07Jul

MACS member Gordon Marks of Marks Air Inc. in Tampa, Florida sees a lot of business in his bays this time of year. He shared these two photos of a…

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11Nov

By Steve Schaeber, MACS Technical Trainer I can remember a time when it was not uncommon to go for a walk or hike in the woods and stumble upon some…

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12Dec

ROI or “return on investment” is what you get for what you spent, whether it’s time or money. You’ve spent money on your business and tools and you expect a fair return. You put money into bank accounts and accrue interest. Hopefully, your stock investments pay regular dividends as well.

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11Nov

From MACS Technical Think tank Controller area networks may be the new standard, but even they have three different levels, or speeds, at which they operate. CAN C is the…

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