Author Archives: macsworldwide

About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues. www.macsw.org

Rotten heater clamps


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 the left rear corner of the vehicle. The cause may … Continue reading

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No Heat? No Problem! WT?


By Steve Schaeber, MACS Technical Editor Ugghh!! Every technician knows that feeling of simultaneous joy and sorrow when they diagnose a no heat condition being caused by a clogged or plugged up heater core. Sometimes it’s a pretty easy test, … Continue reading

Posted in Automotive, Automotive Aftermarket, Automotive training, Mobile Air Conditioning | Tagged , , , , , , , , | 2 Comments

The app for MACS 2016 Training Event is Available


Download the MACS 2016 Training Event and Trade Show app from your app store for iphone or Android. Don’t come to Orlando without it!

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AASP holds MACS Section 609 Certification Class


By Steve Schaeber,  MACS Technical Editor Twenty-one shop owners and service technicians from Berks, Chester and Montgomery Counties attended a MACS Section 609 Certification class held at the Landis Creek Golf Club in Limerick, PA on Wednesday, January 13, 2016. … Continue reading

Posted in #1234yf, Automotive, Automotive Aftermarket, MACS Member, Mobile Air Conditioning, Refrigerants, Training | Tagged , , , , , | Leave a comment

Toyota delivers their first R-1234yf vehicles to dealers


  By Steve Schaeber, MACS Technical Editor We first heard the news back in the fall of 2015 that Toyota would be shipping their first vehicles containing the A/C refrigerant R-1234yf to dealerships in the US, and they’re just now … Continue reading

Posted in #1234yf, Automotive, Automotive Aftermarket, MACS Member, MACS Training Event, Mobile Air Conditioning, Refrigerants, Training | Tagged , , , , , , , | 1 Comment

R-1234yf at the 2016 PHL Auto Show


By Steve Schaeber, MACS Technical Editor Over the next several years as vehicle manufacturers refresh older nameplates and begin to introduce new ones, we’re expecting to see more and more platforms change over to the new refrigerant R-1234yf. While many … Continue reading

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Some scenes from the Philly Auto Show


MACS staff attended press day at the Philadelphia Auto Show on Friday, January 29, 2016. here are a few of their favorite rides.   Slick new Fiat Convertible Dodge Challenger

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Come to a free Section 609 Training Class


Attend a Free Section 609 Class and Take the Test During MACS 2016 Training Event and Trade Show, at the Caribe Royale in Orlando, FL- Friday, February 12, 2016 from 1pm-3pm, attend MACS’ newest Section 609 Certification Training Class, covering … Continue reading

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See who is exhibiting at MACS 2016 Training Event and Trade Show


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What is a learning pod?


This year’s MACS Training Event and Trade Show is going to include a new feature that we hope you’ll like. It’s called the Learning Pod, and it’s a new venue for holding training classes. It’s going to be located directly … Continue reading

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