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…
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…
January February 2018 ACTION Magazine One of the most troubling situations a shop technician faces is not being able to find critical service information needed to properly diagnose and repair…
By Steve Schaeber, MACS Technical Editor On August 8, 2017, a US District Court of Appeals reversed a 2015 EPA rule which removed R-134a from their SNAP list of acceptable…
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…
By Steve Schaeber, MACS Technical Editor Internal combustion engines have powered our transportation for decades, including the cars and trucks we drive each day. Over the years we’ve seen attempts…
By Ward Atkinson and Bill Hill Note: The information in this article is the current overview as collected by Ward Atkinson and Bill Hill from industry and regulatory sources. It…
Whenever something new happens in our industry there can be misinformation. To make sure you are receiving accurate information on what is happening with R-1234yf stay in touch with news…
By Steve Schaeber, MACS Technical Editor GM was the first manufacturer to sell a vehicle in the United States that uses the new R-1234yf refrigerant when they came out with…
By Steve Schaeber, MACS Technical Editor If you’ve been waiting to see R-1234yf in something larger than a ½ ton pickup truck, you might not have to wait too much…
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…
