Still, R134a is much more tolerant of under- and overcharging. How to Convert Car AC R12 to R134a The guide below is how you can convert your R12 to R134a in an older car. If you want to make a proper conversion, you will also need to replace all the O-rings, new accumulator,...
Cheap gauge set for freon charging for R134A, R12, R22, and R502 refrigerants. You can notice the blue and yellow lines; these can be used to recharge window AC units. You canget it here for about 30 bucks. Do note that this cheap gauge set will work for R22 refrigerant but not for...
If your car’s air conditioner isn’t blowing cool air, then you’ve likely lost some of the refrigerant, usually due to a leak. You can recharge the system yourself with a charging kit and some refrigerant, as long as your car uses r134a refrigerant.[1] First, you’ll need to check...