A. R134A TYPE. 1. HIGH-SIDE ... Charge as follows: R134A = 1.8 lbs R12= 2.0
lbs. No additional ... System must be evacuated and re-charged to exact weight.
There is NO reason to retrofit a vehicle to R-134a as long as the R-12 system is
cooling properly and contains a normal charge of refrigerant. ... Converting to R-
134a typically reduces cooling performance somewhat, and may ... both types of
refrigerant), and recharging to 85 to 90% capacity with R-134a. .... R134a Retrofit
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 ...
Apr 14, 2013 ... In this update we focus on converting our old freon based R12 air conditioning
system to a ... R134a refrigerant (amount varies by model year).
You will need to buy a conversion kit. Remove the schader valves from the R-12
fittings and screw on the R134 fittings. Add the proper amount ...
GM recommends that vehicles with A/C systems designed for R12 be reserviced
... Once the vehicle has been retrofitted, it would cost a lot to convert it back. ...
that minimal changes will have to be made R12 systems to retrofit them to R134a.
When the idea of retrofitting vehicles with R12 systems to R134a. was first ...
Calculate 70% of the correct R12 charge and start by putting in that amount.
www.ask.com/youtube?q=R12 to R134a Amount Conversion&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 ...
They would appear to be unfamiliar with the overbuilt, high capacity nature of the
AC ... I am sure all of you have heard when you convert from R12 to R134a that ...
Feb 13, 2003 ... R134A Conversion Procedures ... is operational, run it at idle with the A/C blower
on high speed for five (5) minutes to optimize the amount of oil in the compressor.
2) Recover all R-12 refrigerant from the vehicle's A/C system.