The Mobile Air Conditioning Society (MACS) was organized to serve the mobile air conditioning industry. MACS’ charter and mission are communication and education. To achieve these goals, the Society has…
Boy! That Air Feels Good!, by Rod Barclay, covers the story of how three pioneers: a Fort Worth department store owner, a Dallas Cadillac dealer and a Dallas manufacturer of…
New 2010/2011 data from the Professional Automotive Repair Technician Survey (P.A.R.T.S.) shows that only 5 percent of technicians responding to the survey keep A/C Compressors in stock. They rely on 2.8 sources when it comes time to re-stock for the three jobs per month, on average, they perform requiring this part. P.A.R.T.S. is conducted annually by Counterman magazine and tracks technician preferences in a number of product categories.
By Elvis L. Hoffpauir, MACS president and COO We know that MACS members are the best of the best, the crème de la crème, go-to guys even for other A/C…
1) What is HFO-1234yf?
HFO-1234yf is a chemical refrigerant that will be used in new cars in place of R134a.
Once again, the MACS office is beginning to receive calls about bad, contaminated or mislabled refrigerant. Some folks in theU.S.are receiving offers to purchase refrigerants that contain hydrocarbons (HC), notably under the designations HC-12a or similar names. All of these are listed as “unacceptable for use” on the EPAs companion page to the SNAP list.
The Mobile Air Conditioning Society (MACS) Worldwide has been honored with two Automotive Communications Awards for its technical newsletter MACS Service Report. The September 2009 issue of the MACS Service Report covering A/C performance in hybrid vehicles was the winner in the business-to-business technical magazine article category and was chosen best in show for the business-to-business communication category. The awards were presented during the Car Care Council Women’s Board reception, which took place Tues., Nov. 2, at the Sands Expo Center during the Automotive Aftermarket Products Expo (AAPEX).
The Ford owners’ and enthusiasts forums on the Internet are awash in questions and discussions of Ford Motor Company’s recently-announced gradual changeover to a standard coolant for all their engines. Some owners are concerned that their favorite car company has crossed over to “the dark side” and adopted General Motors Dex-Cool, a sure sign of an automotive apocalypse.
Thirty years later, the bug resurfaced and now another ZX is in Craig’s driveway. Craig says, “Now that my wife and I are empty nesters, it was time for a little self-indulgence and I had wanted another two-seater. I had looked at an older BMW Z3, but felt the car was too small. I had the feeling that you were strapping the car on rather than getting into it.”
In a scroll compressor, a scroll shaped “paddle” rotates inside a channel. By the offset of the paddle drive pin, the compressor drive shaft rotates the paddle in an orbiting or circular motion.
There are two types of piston compressors currently in use, the opposed axial type, (also often referred to as the swash plate type), and the single row axial or wobble-plate type. Depending on design, these compressors may contain five, six, seven, or ten pistons.
With either type of piston compressor, the pumping action of the pistons draws low
