However, its been shown that R134a is as destructive to the environment, and newer refrigerants have been created to overcome this problem. What Happens If You Put R134a in an R12 System? - techtown AC R-134 Manifold Gauge Sets & Replacement Parts for Car AC Gauges Welcome to rxmechanic.com. The non-flammables can have R22 type gas which is not compatible with most rubber hoses or they have gases that contribute to global warming. The reason is that the vehicles, for instance, manufactured currently configure the engine for R1234yf refrigerant, making no provision for replacement. R134a is called tetrafluoroethane (HFC). This product does contain dangerous chemicals such as methyl chloride and vinyl chloride, both of which are carcinogenic and may cause congenital disabilities. How to Convert Your Car AC R12 System to R134a Bottom line, R134a simply doesn't cool as well as R12. The problem with using an approved alternative refrigerants other than R134a is that when the system is serviced it requires certain types of fittings, labels and dedicated equipment. That makes it safe in terms of safety to use. Its improbable that any new installation will be built that uses this refrigerant as its use is deemed highly undesirable in many countries and international environmental treaties discourage its use. pdrayton on Sat July 14, 2007 2:12 PM Year: 1983 Make: Mercedes Model: 240D Engine Size: 2.4 Refrigerant Type: R12 Ambient Temp: 90 Pressure Low: 35 Pressure High: ? His new book, Just Needs a Recharge: The Hack Mechanic Guide to Vintage Air Conditioning, is now available on Amazon. R134a is the most widely accepted alternative automotive refrigerant used to replace R12. So as long as the system was functioning correctly and not leaking, it appeared that you could flush the system of any old oil, change the oil in the compressor to PAG or ester oil, replace only the receiver-drier and the o-rings, screw on the charging port adapters, evacuate the system, and recharge it with the new R134a, using about 80% as much as the original R12 volume. 3.5" Backlit Display & Visual Refrigerant Filling Window & High Strength MaterialHVAC digital manifold gauge set adopts 3.5-inch backlight display design,the data is easy to read,and each test result is divided by lines on the screen,the data is more intuitive.HVAC digital gauges is made of high-strength engineering plastic,with anti-slip Subtract or 0.25 pounds from this number. However, you can convert R12 to R134a by yourself, save money and keep all the tools purchased.
Is Seattle A Safe Place To Live, Articles D