English
Spanish1) 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.
Usually made of aluminum and mounted at the front of the vehicle, condensers are one of the two heat exchangers in a mobile air conditioning system. They are constructed as a series of tubes with fins surrounding the tubes. The fins attached to the tubes increase the surface area exposed to the air.
The compressor is usually belt-driven by the engine crankshaft, and engages through an electromagnetic clutch.
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
Coolant of good quality will be brightly colored. As coolant becomes old, it usually turns into a brownish, rust colored liquid. At this point the coolant is past its useful life and must be changed.
Contaminated or unknown refrigerant must be removed from a system using dedicated recovery-only equipment, and properly disposed of.
Did you know today, Tuesday, September 14, 2010 is the 40th anniversary of the United States Clean Air Act? Section 608 and Section 609 which regulate stationary and mobile…
Did you know…to comply with Section 609 of the Clean Air Act, recovery/recycling equipment must be certified to SAE specifications.
All hoses used with mobile A/C system service equipment must be equipped with shut-off valves.
If you would like to download our glove box guide to Your Car’s Air Conditioning System click here for a downloadable pdf that you can print out and keep with your car’s owner’s manual. This glove box guide has tips for keeping you cool, helping the environment and for optimum A/C system performance.
