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The future is electric!

June 6, 2019

June ACTION 2019 Hybrid and electric vehicle air conditioning compressor hardware, power controls and diagnostics For more than 15 years, hybrid and electric vehicles have been using electric air conditioning...
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Do you know how to find coolant leaks?

February 28, 2019

Finding Coolant Leaks Some days, around this time of year, it feels like all we do is chase down coolant leaks. Maybe that has something to do with weather patterns...
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Section 609 important information

April 2, 2018

[youtube] If you still have questions about Section 609 certification please review our list of frequently asked questions by clicking here.    
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Going electric

March 13, 2017

By Steve Schaeber, MACS manager of service training One of my favorite childhood toys was an electric race track set, but more fun than playing with it was taking apart...
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Alternative fuel vehicle service

January 23, 2017

  By Andy Fiffick, MACS Chairman/CEO and Owner Rad Air Complete Car Care I come from a Ford family. My Dad retired from Ford in 1989, I have two brothers...
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Gen 2 Ridgeline cools with R-1234yf

January 18, 2017

  By Steve Schaeber, MACS Technical Editor The 2017 Ridgeline is the second generation of Honda’s midsize pickup truck, redesigned and brought back in June 2016 following a short 2...
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Hybrid and battery electric vehicle A/C

December 31, 2016

By Steve Schaeber, MACS Technical Editor Internal combustion engines have powered our transportation for decades, including the cars and trucks we drive each day. Over the years we’ve seen attempts...
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Insufficient A/C performance at idle

September 8, 2016

On some 2013 Chevrolet Sparks, the air conditioning duct temperature may be 10°F (5.6°C) warmer at idle, but is sufficient while driving .   Verify that the A/C pressures are...
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Do you know the basic principles of mobile A/C diagnostics?

June 1, 2016

The June 2016 issue of MACS ACTION Magazine challenges you on your knowledge of mobile A/C diagnostics. Download now to see if you really know what you think you know.
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A/C use and fuel efficiency, A MACS whitepaper

July 13, 2015

  Does using your A/C system cause you to burn more fuel? MACS attempts to answer that question in the attached whitepaper. Free download.   If you’re a service professional...
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The high voltage A/C oil cross contamination issue

June 25, 2015

What you can do to provide safe service with an existing SAE J2788 machine If you work on air conditioning, you’ve hopefully heard about the issues regarding high voltage compressors...
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HVAC in Hybrid and Electric Vehicles

October 22, 2013

Hanging out in the hall after lunch at the MACS Training Event in New Orleans, a young tech approached Jack Rosebro, introduced himself as Ron and said, “Somebody told me...
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