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01Jan

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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11Nov

Regulations are constantly changing. Are you aware of all the new compliance issues impacting the heavy equipment industry? Join John Wagner of Paladin Pathway will bring the heavy-duty audience up to date on Thursday, February 2, from 8:00-8:30am.

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10Oct

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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10Oct

The new Jeep Grand Cherokee and Wagoneer now offer Chrysler’s first 4-zone automatic temperature control A/C system for first and second-row passengers. It includes personalized temperature settings, fan levels and modes for each passenger.

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09Sep

MACS warmly welcomes Globus Electronics back to the MACS Trade Show from their native Brazil. Globus Electronics has been an active MACS member since 2009.

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09Sep

I have been in the transportation climate control industry for 30 years now and have had the good fortune to have learned from some of the best people in the industry. Although I specialize in the school and transit bus sector, all large systems pose the same certain challenges that require the use of proper equipment and tools to perform the repairs correctly.

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08Aug

MACS member Rob Bollinger discusses a 2015 Acura TLX blower motor issue and installation

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07Jul

I have encountered many tech calls where a technician had replaced an expansion valve because of a problem with an evaporator freezing up and was frustrated because that did not fix the problem.

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07Jul

Motor vehicles have become increasingly more complex over the last two decades to meet the ever-tightening emissions regulations and increased fuel economy requirements, as well as passenger comfort and safety.
This added complexity means technicians are flooded with additional data when diagnosing faults on vehicles. Below is a table outlining the difference between a modern vehicle and a vehicle from 20 years ago. This is only a high-level example to illustrate the differences

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02Feb

A large percentage of MACS members have refrigerant identifiers and use of them on vehicles that come into their shop for A/C service prior to beginning any service work is standard procedure.
However, there are a lot of non-MACS member shops who do not have identifiers and unfortunately are not aware of the potential issues which can be caused by refrigerant contamination.

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02Feb

Read all about it! MACS February 2022 digital issue of ACTION magazine is ready to view.

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01Jan

MACS is changing leadership. Elvis L. Hoffpauir, is stepping down at the end of January 2022 from his duties as MACS president and chief operating officer to enjoy retirement. Following a 42-year distinguished career at the Mobile Air Climate Systems Association (MACS), Elvis will transition to past president and association advisor.

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