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Charge as follows: R134A = 1.8 lbs R12= 2.0 lbs No additional oil is ...

www.vintageair.com/DownloadsSection/Documents/Troubleshooting Guide.pdf

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  ...

R-12 to R-134A Refrigerant Retrofit - Auto Diagnosis Repair Help


That's why many people simply recharge their older R-12 air conditioning system with R-134a after repairs have been made. ... There is NO reason to retrofit a vehicle to R-134a as long as the R-12 system is cooling properly .... R134a Retrofit ...

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 ...

12. Conversions - Secop


CONVERSIONS ... R12 system with the same evaporator capacity, the R134a system must have an ... The charging equipment must only be used for R134a.

R134a Refrigerant Pressure Temperature Calculator


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.

Pressure Temperature Conversion Charts


R134A. HFC. No. P.O.E. Liquid or. Vapour. For new medium temp & domestic freezers, small commercial jobs. (Can replace R12 & R500 - but requires careful  ...

A/C conversion from R12 to R134a - Car Forums and Automotive Chat ...


A/C conversion from R12 to R134a LeSabre Car Forums. ... 05-14-2004, 08:33 PM. I have done conversions to the early 90's GM cars with no problems.

Retrofit Guidelines - Chemours


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 .

The Detailed E30 R-134a Conversion Thread/DIY - R3VLimited Forums


R134a Expansion valve (can be used with R-12)- PN 64511466259 ... PAG oil- see pic and chart link below for determining the viscosity for ...



There are significant differences between R12 and R134a, which must be considered ... A. Pressure/temperature plot of R134a vs. R12 is shown in figure 1. The crossover point is .... converted for use on R134a/polyol ester systems. C. Leak ...

More Info

What is a R12 to R134a conversion chart? | Reference.com


An R12 to R134a refrigerant conversion chart is a tool used to properly recharge or convert a vehicle air conditioning system based on the refrigerant type and ...

General Motors Retrofit Procedures - E38.org


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.

Automotive Air Conditioning Conversion to R134a - Team Chicago!


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 ...