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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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Too Many Compressors

December 20, 2022

The blog article published on November 8, 2022, focused on understanding the importance of knowing the precise location of service ports when faced with a challenging A/C diagnostic issue.  It...
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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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The pressure readings

November 8, 2022

Sometimes when confronted with a challenging problem with an A/C system, the pressure readings might not seem to conform to the way the system is performing.  Also, pressure readings might indicate that a component needed to be replaced and after replacement the system did not perform any differently. 
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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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Essentials in PHEV and BEV Thermal  Management

October 25, 2022

You can attend HVAC Hide and Seek for Electrified Vehicles: Essentials in PHEV and BEV Thermal  Management with Dave Hobbs at MACS 2023 Training Event and Trade Show. class on Thursday, February 2 from 9:45-11:15am and again from 2:45-4:15pm.
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Plug into MACS EV Program

October 24, 2022

Plug into MACS EV Program. MACS is providing a robust electric vehicle training program at our 2023 Training Event and Trade Show.
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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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The Changing Serpentine Belt Drive World

October 20, 2022

Serpentine belt system diagnostics are important. How do we know if the belt, tensioner, or idlers are failing?  What are the consequences to the accessories in the system if the belt, tensioner, and idlers are past their useful life span? Plus, where is technology taking us in the serpentine belt drive world? Learn the answers to these questions in this session.
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