When did I Change my AC from R12 to R134a?
In 1996 systems were switched over to R134a from R12 refrigerant. R12 refrigerant is no longer available to the general public so when faced with a major AC repair on on older vehicle like my Acura Vigor, it’s a good idea to retrofit the system to work with R134a.
What’s the difference between R12 and R134a compressors?
The molecules of R134a were smaller than R12, so it was feared to leak out of the flare fittings and hoses which were in use by previous R12 systems. R134a operates at higher discharge pressure, which can cause compressor seals to leak out.
What was the refrigerant 134a made out of?
The replacement made in automobiles was in the form of refrigerant 134a, also known as tetrafluoroethylene. Tetrafluoroethylene was a type of hydrofluorocarbon (HFC).
Which is better for retrofit R12 or R134A?
You can use the R134a retrofit capacity chart for this purpose. Generally, the new amount is 75-85% of the quantity advised by the manufacturer. R134a has a lower tolerance for mischarging, so you will face worse performance even if you overcharge as compared to the R12.
How to convert an R12 compressor to a R134a?
R12 to R134a Conversion steps. The first step is first to make sure that the AC system is empty. Discharge and make sure to recycle it properly. Make sure your AC compressor is in good shape, otherwise replace it. Flush your current system entirely of R12 without leaving any traces of the R12 in it.
When did cars start using R12 instead of R134a?
Many organizations believe that R134A contributes to global warming. Vehicles manufactured before 1994 used R12 for air conditioning. Vehicles older than 1994 started using R134A instead of R12. So what if you have a car that was made in 1994 or even earlier?
What’s the difference between R12 and R134a refrigerant?
Tetrafluoroethylene was a type of hydrofluorocarbon (HFC). R134a is also sometimes called ‘Freon’ although it’s not a CFC, which means ozone-depleting properties do not exist in R134a. There were, however, some challenges in the usage of the new R134a refrigerant in the old system.
How to retrofit R12 system to R134a?
If your vehicle has a Ford FX-15 compressor, replace with an FS-10 compressor. 3) R134a retrofit kit with R-134a port adapters, oi, port caps and retrofit label