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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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07Jul

By Steve Schaeber-MACS technical editor There’s a neat little repair shop here in Lansdale, PA that is well known by many residents of the borough, and one which I walk…

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03Mar

by Jacques Gordon To anyone who has been following along, it looks more and more like the auto industry will never have one universal air conditioning refrigerant. That means we…

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01Jan

Do you have questions on how to service and repair your refrigerant recovery and recycling machine? You can have them answered on Friday, January 17, 2014 at the MACS Training…

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10Oct

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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09Sep

There never has been and never will be just one In the mid 1750s, Ben Franklin experimented with using vacuum to evaporate liquid ether, and he recorded a significant temperature…

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06Jun

Boy! That Air Feels Good!, by Rod Barclay, covers the story of how three pioneers: a Fort Worth  department store owner, a Dallas Cadillac dealer and a Dallas manufacturer of…

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05May

 (illustration: Sanden International)Richard Hawkins is a technical advisor at 1-800-Radiator. He recently told MACS about a question he received from one of the company’s franchise offices.I cringe whenever I hear…

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05May

by Jacques Gordon If his customer ever questions the labor cost, Chuck Braswell uses pictures like this to explain why some jobs just take a little longer. At Rocky Mount…

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06Jun

There’s nothing cheaper or more benign than soap bubbles for finding a leak. As a technician with a 1999 Pontiac Bonneville complained, he tried trace dye and two different electronic leak detectors with no luck, despite the fact that the system was gushing between a half-pound and a pound overnight. But when he swabbed the compressor nose with soap solution, presto, it bubbled. His conclusion: back to basics does it.

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