Tag Archives: professional service

Cool runnings


By Steve Schaeber, MACS Technical Editor The main purpose of a thermostat is to help the cooling system regulate engine operating temperatures to within the manufacturer’s specification. This is normally done by first remaining closed to allow engine coolant to … Continue reading

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Thermocycle leaks


Radiator leaks are nothing new, and some technicians may initially blame a faulty part, poor construction or shoddy workmanship during installation when a leaker shows up in their bay, particularly when it’s a later model vehicle that has failed. But … Continue reading

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Honeywell opens new R-1234yf plant in Louisiana


Honeywell announced that it has started commercial operations at its new manufacturing plant in Geismar, La., to meet the growing global demand for its next-generation mobile air conditioning refrigerant. With this start-up, the plant has become the world’s largest site … Continue reading

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Clinics, clinics and more mobile A/C clinics!


MACS has been busy training all around North America. Here are a few photos from the clinics…

Posted in Automotive training, MACS Member, MACS Training Event, Mobile Air Conditioning, Uncategorized | Tagged , , , , , , | Leave a comment

Do you have the right tools to repair mobile A/C systems?


Global Service Horizons   2017 MACS Worldwide Trade Show puts the future in plain sight May I share something with you? Of all the automotive industry events I cover each year, it is the annual Mobile Air Conditioning Society Worldwide … Continue reading

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Meet Jay Brown of Nissens North America


Meet MACS member, Jay Brown, general manager of Nissens North America, Inc., located in Grapevine, TX. Nissens, headquartered in Denmark, has been a member of MACS since 2004. Nissens manufactures radiators, condensers, evaporators, compressors, oil coolers (engine, transmission, power steering), … Continue reading

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Truck heater control valves


By Chris Tyson, MACS heavy duty contributor We have several Class 8 trucks in our fleet and when temperatures begin to drop outside many of their owners visit our shop for heater-related repairs. That’s exactly what happened when the operator … Continue reading

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Mind the cap!


By Steve Schaeber, MACS manager of Service Training Radiator caps play an important role in engine cooling systems, sometimes more important than you may think. It might appear they are simply an access point to open and close the system … Continue reading

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MACS 2017 Spring Mobile A/C Training Clinics


MACS has many mobile A/C training clinics scheduled throughout North America and we are adding more everyday! Please click here to see the full schedule of clinics and register to attend today! If you’re a service professional and not a … Continue reading

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Radiator service and repair in March ACTION magazine


Your engine’s cooling system has an enormous job to do. In fact not just one job, but many jobs shared amongst several other systems. Its main purpose is to absorb excess heat generated by the engine, cool the transmission fluid … Continue reading

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