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Vehicle Components

From the Service Archives – ACtion Magazine 2020

December 20, 2023

System Service Tips by Larry Turay, AAM, Contributing Editor Everyone has a set routine to follow during the service process when replacing failed components. Sometimes after we have done a...
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A look at the Alternatives to the Alternatives

November 8, 2023

Written by Peter Coll for the Looking Forward Column in MACS ACtion Magazine May 2023 For the past several years, the automotive industry has been hyper focused on the introduction...
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Get your Customers to help!

November 1, 2023

By: Jerry Lemon for MACS ACtion Magazine Jul/Aug 2023 Issue Everyone I know doing A/C service on HD trucks and Heavy Equipment is slammed with work. It seems rather counter...
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Electric Vehicles Need Coolants

October 26, 2023

By: Chris Holley, MACS Member & Instructor at Pennsylvania College of Technology Over the years, the Cooling Corner column has discussed numerous coolant types. While not an extensive list, most...
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The End of Traditional Vapor Compression A/C

October 20, 2023

By MACS Staff As fossil fuel vehicles, powered Internal Combustion Engines (ICE), are replaced on dealer lots in favor of Electric Vehicles (EVs), significant changes are coming to the vehicle...
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Honeywell files EPA SNAP Application to Retrofit R-134a systems to R-1234yf

October 5, 2023

Honeywell has filed a SNAP application with the US EPA for approval to offer R-1234yf as a retrofit for R-134a. In 2022, the EPA received a SNAP application from Koura....
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Everything You Need to Know About MACS 2024 Annual Training Event & Trade Show

September 28, 2023

Are you ready for the Mobile A/C industry event of the year? MACS is proud to announce its 2024 Annual Training Event & Trade Show, taking place from January 31st...
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Electric Compressor Systems: Safe Service and Best Practices

September 25, 2023

Join us at the MACS Headquarters in Lansdale, PA on Saturday, October 7th, for an in-depth class on Electric Compressor Systems with hands-on training led by industry leader Mike Bailey,...
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Yes, The Service Port Cap Really is the Primary A/C Seal!

September 19, 2023

For years, we have been told that the primary seal for the A/C service ports lies in the service port cap. Yet day after day, technicians let vehicles leave the...
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What is the proper refrigerant charge for this A/C system I’m working on?

September 11, 2023

By: Richard Hawkins, MACS Contributor That is a question that comes up countless times when doing mobile A/C work.  When working on a car, light truck or SUV, it is...
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EPA Set to Issue NPRM on AIM ACT Refrigerant Reclamation

September 7, 2023

The US EPA is set to issue a Notice of Proposed Rulemaking (NPRM) by September 30, 2023 in accordance with the requirements of the US AIM Act 42 USC 7675...
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Avoiding Expansion Valve Woes (Part 3) 

April 20, 2023

By Richard Hawkins, MACS Technical Correspondent This is part 3 in a series of articles about avoiding expansion valves woes.  If you have not already read the previous two articles,...
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