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10Oct

Modern heavy-duty equipment is basically comprised of computers with operating units attached. In short, it is a multiplexing system that replaces traditional power distribution devices with ECUs that communicate electronically over the vehicle datalink.

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08Aug

MACS is working on a project, to collect A/C charge information for Tesla vehicles, and we need your help!

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08Aug

Most condensers have different fittings on the inlet and outlet.  The locations of the inlet and outlet on most condensers will not allow lines to be connected incorrectly, even if the fittings do happen to be the same size.  Lastly, the designs of the mounts on most condensers prevent a unit from being installed upside down.  However, none of these characteristics apply to the condenser the technician had installed. 

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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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09Sep

By Steve Schaeber, MACS Manager of Service Training Rick Winick, Business Director, leads the Honeywell Fluorine Products Automotive Refrigerants segment. Rick and his team work to ensure global automotive OEM…

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08Aug

You may think that a bit of noise with the air conditioning turned on is not the highest priority item for a motorist. After all, if the car is running…

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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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04Apr

By Elvis L. Hoffpauir, MACS President and Chief Operating Officer There’s no one better to talk to members of the service industry about R-1234yf than the folks at Fiat Chrysler…

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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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11Nov

By Steve Schaeber, MACS Service Training Specialist It’s a cold winter’s morning, you’re running out the door on the way to work or school, and you get in your car…

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09Sep

 [youtube=http://www.youtube.com/watch?v=pS2InArAuVc&w=420&h=315]

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