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09Sep

By Steve Schaeber, MACS Technical Editor It was during the general session meeting on Thursday morning at MACS 2016 Trade Show in Orlando that we first learned about GM’s intention…

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09Sep

By Steve Schaeber, MACS manager of service training Proper air flow across the heat exchangers in an air conditioning system is key to its being able to transfer heat efficiently….

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08Aug

The part exists, sort of. The 2001 Dodge Caravan minivan with Automatic Temperature Control had poor rear A/C cooling performance and the technician decides (correctly) the issue is with the…

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06Jun

By Ward Atkinson, MACS Technical Advisor It has been said that back in the days of R-12, A/C system engineers sometimes used “Band Aid” fixes to address A/C system issues….

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06Jun

Joe Randazzo of Randazzo’s Auto Service, Lansdale, PA invited us over to see his new retrofit of a 1987 Camaro I-ROC.   If you’re a service professional and not a…

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03Mar

By Steve Schaeber, MACS Technical Editor In order to comply with the legal provisions going into effect in 2017, Mercedes-Benz will equip its vehicles with air conditioning systems that meet…

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03Mar

  By Andy Fiffick, Chairman and CEO MACS Worldwide , Owner Rad-Air Complete Car Care, Cleveland, OH Getting (and keeping) our shops “service-ready” is a moving target – one that…

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05May

“It’s not if you offer J-2534 flashing to customers; it’s when,” asserted David Hobbs, a senior automotive aftermarket trainer for Delphi Automotive. With this “hook,” Hobbs grabbed the attention of…

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05May

By Steve Schaeber The engine cooling system is one of the first and most basic of automotive systems that are taught in tech school, and rightly so. It’s also one…

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09Sep

By Steve Schaeber, MACS Technical Editor Recently, I posted to the MACS WordPress blog and covered a fuse issue on a 1999 Volkswagen Jetta. In response to my post, I…

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08Aug

By Paul Weissler, MACS Senior Technical Correspondent The evaporator is out of sight, but with A/C  technicians it can’t be out of mind. When you can’t find a leak anywhere…

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07Jul

By Steve Schaeber, MACS Technical Editor My uncle Joe recently purchased a 2014 Hyundai Sonata to use as his commuter car for getting back and forth to work. When he…

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