Registration is Now Open for Mobile Air Conditioning Society (MACS) Convention and Trade Show
Registration is now open for MACS-I-MIZE YOUR OPPORTUNITIES for SUCCESS, the 31st annual Mobile Air Conditioning Society (MACS) convention and trade show. 2011 has brought together an exciting collaboration between MACS and long-time training partner Automotive Video Inc. (AVI). Training is pricelessly valuable, but the training at this convention is priced at an amazing value.
Directions: GM Leads the Industry in the Race for a Greener Refrigerant
The switch to HFO-1234yf is expected to help GM vehicles meet the overall requirements of the U.S. EPA’s latest motor vehicle greenhouse gas regulations.
Seven Service Facilities Complete Climate Protection Pledge
The Climate Protection Partnership division of the U.S. EPA and the Mobile Air Conditioning Society (MACS) Worldwide recognize seven mobile air conditioning service facilities for being among the first to complete all the steps of the Climate Protection Pledge.
Tech Tip: J2788 Test Equipment Needed to Diagnose and Recharge Today’s A/C Units
In order to remove all the refrigerant from later-model vehicles during the recovery process, a J2788-compliant A/C machine is required. This is due to later-model vehicles using less refrigerant, which older A/C machines cannot fully recover, leading to potential problems.
Tech Tip: A/C Inoperative, A/C Light Flashing on Toyota
This bulletin provides information regarding countermeasures to the A/C magnetic clutch relay for A/C light flashing (inoperative A/C)
Tech Tip: No or Insufficient Cooling Output in Mercedes-Benz C-Class
If an owner of a 2004 C 240 Sedan complains of no or insufficient cooling output, it could be caused by the refrigerant line, whose inner coating has come loose in the flexible section of the hose, causing constriction.
Stronghold for 1234yf is Crumbling – Part II
In this installment of a two-part editorial from R744.com, high refrigerant costs, the need for new plants and pending patent issues put the use of HFC-1234yf more and more into doubt.
Diagnosing A/C Systems with Automatic Climate Control
Diagnosis is often the biggest challenge, especially if the cause of a no-cooling problem is not obvious. Is it the refrigeration circuit, an electrical problem or a control issue?
Supporters of R744 in Mobile A/C Systems Express Problems with 1234yf Refrigerant
The growing reluctance over 1234yf has now led its own proponents and Original Equipment Manufacturers (OEMs) to dreadfully search for a system solution that would enable the use of the refrigerant, no matter what the system cost and efficiency implications
Directions: The Impact of HF0-1234yf on Service Shops
According to the new refrigerant’s developers, there are chemical differences between HFO-1234yf and the current R-134a system. As a shop owner, you’ll need to learn the Safety, Equipment and Charging Issues surrounding this new refrigerant.
Leak Detection Tools & Equipment
Having the right tools to help you find leaks can save time and effort, and reduce the risk of comebacks. This special section features some common types of leaks and what kind of equipment you can use to find them, as well as a Leak Detection Product Showcase.
Lexus Tech Tip: A/C Condenser Fan Relay Corrosion on 1998-2000 LX 470s
Some 1998-2000 model year LX 470 vehicles may have a condition in which the A/C condenser fan continues to run after the ignition is turned off due to corrosion in the relay connector. A repair kit (P/N 88840-60070) consisting of a new relay and sealant has been made available to correct this concern.