Can you use R12 in a R134a system?

Can you use R12 in a R134a system?

No. Federal law prohibits topping off an R12 system with a different refrigerant. Or you can convert the system using one of our R134a retrofit kits, that will allow you to now add 134a refrigerant to your automotive air conditioning system.

What is the ratio of R12 to R134a?

A charge level between 75% and 85% is recommended when converting from R12 to R134a refrigerant.

How do you tell if your car has been converted to R134a?

To tell if it has been converted you can look for a sticker on the unit under the hood, which would indicate that it is R134a. And you can also look for R134a adapters, which would be located on the charge parts.

When to change refrigerant from R12 to R134a?

Now in order to abide by the law, the cars manufactured before 1995 needed to have a refrigerant conversion from R12 to R134a, which also led to further complexities. As R12 used a different oil that was not fit to be used with R134a, the replacement was not that simple.

How can I add R134a to my air conditioner?

Now you need to set the air conditioner to its highest point. Put the thermometer at the center to measure the temperature so that you can add or remove R134a. Connect the T valve to the lower side port and open it. Allow the refrigerator to drain for five minutes and check the inside air temperature.

Why does the R12 compressor not cool as well as the R134a?

R134a operates at higher discharge pressure, which can cause compressor seals to leak out. The result was evident- R134a could not cool as well as R12. There was also an issue with the oil used for lubrication purposes, which was washed away in the air after being absorbed by the refrigerant.

Can you connect R134a refrigerant to yellow hose?

Connect the R134a refrigerant can lead to the yellow hose. Now open the lower side valve in order to allow the passage of oil. You must add the exact amount of oil as required.