How to deal with a compressor oil viscosity change
March 30, 2021
dealing with a catastrophic compressor failure where system flushing and component replacement removes all the oil from the system, then it is a matter of just installing the correct quantity of the oil that is specified for the replacement compressor.Read Article >
Tank full of air!
March 15, 2021
The problem is usually caused by excessive air in a system, and since too few shops use a refrigerant identifier, they don’t know when these problems come up, nor how often they are solving problems by doing this.Read Article >
How much oil “goes” in the compressor?
March 9, 2021
There is also an additional step which is required in the oil draining process with this unit. That step is that the suction damper needs to be depressed to allow proper ventilation when draining one of these compressors.Read Article >
Safety Alert: Online Sales of Cool Penguin F-12
November 23, 2020
Refrigerant safety alertRead Article >
Disinfecting of vehicles during COVID-19
November 10, 2020
By Ward Atkinson, MACS Technical Advisor, & Bill Hill, GM Retired Recent comments from government agencies on the COVID-19 virus issue indicate that even when a vaccine is available, our...Read Article >
Electric yf
June 24, 2020
June is hybrid month at MACS, and since we looked at the overall industry last month when it comes to its use of R-1234yf refrigerant, let’s take a closer look...Read Article >
Tracking yf
May 8, 2020
By Steve Schaeber February 7th was Media Day at the Philadelphia Auto Show, which is a great opportunity for MACS to find out what’s going on with new model vehicle...Read Article >
Vehicle power management and HVAC
September 3, 2019
September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies...Read Article >
The future is electric!
June 6, 2019
June ACTION 2019 Hybrid and electric vehicle air conditioning compressor hardware, power controls and diagnostics For more than 15 years, hybrid and electric vehicles have been using electric air conditioning...Read Article >
Finding yf (2019 Refrigerant Update)
May 20, 2019
By Steve Schaeber, MACS Technical Editor (May 20, 2019) ©2019 Mobile Air Conditioning Society Worldwide As part of our continuing effort to document the industry’s changeover to R-1234yf, MACS once...Read Article >
Are you making the most of your equipment?
April 30, 2019
Independent garages have been slow to make the investment in equipment to work on R-1234yf systems, and many car dealers’ service departments couldn’t be happier about that. When the car...Read Article >
Are you ready for A/C season?
April 10, 2019
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...Read Article >