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P.O. Box 88
Lansdale, PA 19446
Reviewing the fundamentals: Pressures We started out with a brief review of A/C system pressure testing order to build up to the major point of the class which was the effect of variable displacement compressor solenoids on temperature and pressure … Continue reading
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 and large swings in ambient temperature. It may also relate … Continue reading
By Steve Schaeber, MACS Manager of Service Training Those of you who have been following MACS WordPress BLOG know that much has taken place regarding refrigerant regulations in the last few years. Our recent saga started back in 2015 when … Continue reading
The Mobile Air Conditioning Society (MACS) was organized to serve the mobile air conditioning industry. MACS’ charter and mission are communication and education. To achieve these goals, the Society has developed training programs and coordinated information between the air conditioning … Continue reading
The first part of any good under-hood inspection should include a label check. The labels below provide us with refrigerant charge specifications to correlate to the OE specifications found in service information. Notice the specifications for the R-1234yf charge … Continue reading
This is the MACS blog site if you are looking for the MACS main website click here. Repair shops – one question: Are you prepared for A/C season 2018? Circle the right answer: YES – NO What do you mean … Continue reading
The new refrigerant purchasing rules that took effect January 1, 2018 have had service shops, distributors and the MACS office in an uproar. At the MACS office, the faxes, emails, phone calls and mail deliveries never stop. Every technician wants … Continue reading
The MACS trade show has always been something special among automotive service exhibitions. It’s a place where you see parts, tools and equipment for mobile climate control and vehicle cooling systems that you won’t see elsewhere. And you usually first … Continue reading
By Steve Schaeber, MACS Manager of Service Training MACS has been tracking refrigerant use by vehicle manufacturers for quite some time and, as expected for the 2018 model year, we have seen a few more manufacturers choose to change over … Continue reading
If you still have questions about Section 609 certification please review our list of frequently asked questions by clicking here.