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Automotive Technician

A Sure Sign Of A Restriction (Part Three)

February 28, 2023

By Richard Hawkins, MACS Technical Writer This is part three in a series of articles about restrictions in A/C systems. If you have not read the two previous articles, they...
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New Product Showcase Winners

February 23, 2023

Every year, MACS hosts a new product showcase in the Trade Show at the Annual Training Event. This year in Nashville, 18 companies displayed their new products in the showcase...
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A Sure Sign Of A Restriction (Continued)

February 16, 2023

By Richard Hawkins This is a continuation of the blog article published on January 24th.  If you have not already read that article, it can be referenced here: https://macsmobileairclimate.org/2023/01/24/a-sure-sign-of-a-restriction/ That...
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A Sure Sign Of A Restriction

January 24, 2023

By Richard Hawkins In the January 4th blog article, we covered a tech call that involved a customer who was experiencing an issue with the low side of an A/C...
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A Memorable Tech Call

January 4, 2023

by Richard Hawkins Happy New Year to everyone. Hope you all had a good holiday season. We will begin the year on something of a light note. I am sometimes...
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Understanding and Diagnosing A/C

November 14, 2022

In the Understanding and Diagnosing A/C class, you'll go beyond minimum requirements for recovery, evacuating, recharging, and recycling by offering real world examples in diagnosing and repairing A/C electrical, computer / BCMs, climate control and electronic components. Most of today’s vehicles come equipped with electronically controlled A/C systems.
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Selection of the Proper O-Ring for Your MAC Application

November 9, 2022

Did you know the selection of the proper O-ring for your MAC Application can have a major result on your A/C repair?
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Interior Heating Evolution

November 1, 2022

In the last 120 years, automotive passenger heating has evolved dramatically from open carriage-type automobiles with little occupant protection from the elements to complex electric vehicle (EV) heating, ventilation, and air conditioning (HVAC) systems.
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North American Vehicle and Consumer Trends

October 28, 2022

A look at the latest population trends for light vehicles in North America. Presenters will provide insight on replacement rates for popular A/C products and talk about the changing trends in engine size, vehicle segments, electrification, and more.
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Electric Compressors, EV System Enhancements and Heat Pumps

October 26, 2022

EV and hybrid manufacturers are searching for every yard/meter of range they can squeeze out of their vehicles. In the race to get their newest offerings into the driveways of consumers, range is a major factor. HVAC can severely effect vehicle range, and engineers are doing everything possible to reduce the impact of this creature comfort/necessity.
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Staying RRR current

October 25, 2022

The refrigerant checked out fine. No contamination with other refrigerants and no air contamination.  Their machine pulled 30 ounces out of that system.
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Climate Control System Diagnostics: Using Scan Tool Analytics

October 21, 2022

Attend Climate Control System Diagnostics: Using Scan Tool Analytics and many more informative mobile A/C classes when your register for MACS 2023 Training Event and Trade Show, February 2-4, 2023, at the Gaylord Opryland Hotel and Convention Center In Nashville, TN.
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