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Automotive Technician

Refrigerant Deja Vu (Part Deux)

May 30, 2023

By Richard Hawkins, MACS Technical Contributor This is the second of two articles about the transition from R-134a to R-1234yf refrigerant. Part 1: Refrigerant Deja Vu – May 8th The...
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Avoiding Expansion Valve Woes (Part 3) 

April 20, 2023

By Richard Hawkins, MACS Technical Correspondent This is part 3 in a series of articles about avoiding expansion valves woes.  If you have not already read the previous two articles,...
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Avoiding Expansion Valve Woes (Part 2)

April 4, 2023

by Richard Hawkins This is part 2 in a series of articles about avoiding expansion valves woes.  If you have not already read the 1st. article, it can be found...
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Avoiding Expansion Valve Woes (Part 1)

March 21, 2023

By Richard Hawkins On March 2nd, an article was published in this blog covering a class that was held at the recent MACS Training Event and Trade Show.  The class...
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EPA Stakeholder meeting is scheduled for March 16, 2023 

March 16, 2023

EPA is holding a stakeholder meeting on Thursday, March 16 at 11am (EDT) on the reclamation of HFCs (hydrofluorocarbons) in the United States. This meeting is being held pursuant to...
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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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