Mercedes-Benz to equip first vehicle models with CO2 A/C systems
March 18, 2016
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...Read Article >
Watching R-1234yf
March 16, 2016
By Steve Schaeber MACS Manager of Service Training Many of the service shops and technicians we talk to about vehicles using refrigerant 1234yf are only just starting to get requests...Read Article >
EPA issues Notice of Proposed Rulemaking on small cans
March 4, 2016
By Steve Schaeber, MACS Technical Editor On November 9, 2015, EPA published a proposed rule to amend section 608 of the Clean Air Act pertaining to refrigerant management program regulations....Read Article >
Is your auto repair shop service ready? Find out…
February 29, 2016
Download the March 2016 Issue of ACTION magazineRead Article >
Rotten heater clamps
February 8, 2016
By Steve Schaeber, MACS Technical Editor Owners of 1998-2002 Ford U Platform SUVs (Sport Utility Vehicles, such as the Lincoln Navigator / Ford Expedition) may notice coolant leaking from around...Read Article >
The fine print
October 14, 2015
By: Elvis Hoffpauir On July 2, 2015, the final rule Protection of Stratospheric Ozone: Change of Listing Status for Certain Substitutes under the Significant New Alternatives Policy Program http://www.epa.gov/ozone/snap/regulations.html was...Read Article >
A/C use and fuel efficiency, A MACS whitepaper
July 13, 2015
Does using your A/C system cause you to burn more fuel? MACS attempts to answer that question in the attached whitepaper. Free download. If you’re a service professional...Read Article >
EPA issues final rule prohibiting certain high-GWP HFCs as alternatives under SNAP
July 6, 2015
On July 2, 2015, the final rule Protection of Stratospheric Ozone: Change of Listing Status for Certain Substitutes under the Significant New Alternatives Policy Program was signed by EPA Administrator...Read Article >
The high voltage A/C oil cross contamination issue
June 25, 2015
What you can do to provide safe service with an existing SAE J2788 machine If you work on air conditioning, you’ve hopefully heard about the issues regarding high voltage compressors...Read Article >
A/C Diagnostics & Troubleshooting
June 1, 2015
It’s long been said that opinions are like smiles… everybody’s got one! And that’s certainly true when it comes to diagnosing and troubleshooting mobile A/C systems. Depending on whom you...Read Article >
Are you using the right tool for your A/C job?
May 6, 2015
The annual MACS trade show, held in Orlando this year, may appear to have been just rows and rows of product displays. But a stroll-and-stop approach at manufacturers’ exhibits proved...Read Article >
What do you know about compressor clutches?
January 2, 2015
Compressor clutches, how they work, why they don’t The compressor clutch has been around since shortly after the first A/C systems were installed in vehicles in the late 1930s. While...Read Article >