3. CENTER DUCT TEMPERATURE ( 36-46 DEGREES F.) Charge as follows:
R134A = 1.8 lbs R12= 2.0 lbs. No additional oil is necessary in new compressors
GM recommends that vehicles with A/C systems designed for R12 be ... indicate
that minimal changes will have to be made R12 systems to retrofit them to R134a.
... of the normal retrofit, unless indicated by their compressor replacement chart.
www.ask.com/youtube?q=R12 to R134a Conversion Chart&v=__alchrw7CE
Jul 6, 2012 ... The A/C system in many older vehicles needs to be converted from R12
refrigerant to R134a refrigerant. This video shows you how to convert ...
Automotive Air Conditioning Conversion:Freon to R134a ... I am sure all of you
have heard when you convert from R12 to R134a that you must swap out the ...
R134a Expansion valve (can be used with R-12)- PN 64511466259 ... PAG oil-
see pic and chart link below for determining the viscosity for ...
Aug 1, 2011 ... This R134a refigerant calculator determines the gas pressure based on
temperature of R134a refrigerant. Includes a Pressure Temperature Chart. ...
friendly" replacement for R12 but does require system retrofit modifications.
ART-37. Suva® 134a for R-12 Retrofit ... Suva® 404A (HP62) and Suva® 507 for
R-22 Retrofit .... Pressure/Temperature Chart—Suva® 404A (HP62)/R-502 .
CONVERSIONS ... R12 system with the same evaporator capacity, the R134a
system must have an ... The charging equipment must only be used for R134a.
I should write an article on this, as I have done several conversions. ... Newer
units come with dessicant suitable for use with R12 or R134a.
The home mechanic, looking at a can or two of R12 or R134a, may think that ....
choice for low dollar conversions unless all hoses are upgraded as well and ...