What components would i need to convert the r12 to r134a for a 94 blazer? and where can i get them at?

 

All you need is a r134a conversion kit. All it is is the fittings for the r134a that screw on to your old r22 fittings. You can get it from your local parts store. I got mine from Autozone.

Once you install them you need to take it to a a/c shop so they can vacuum down the system and oil and recharge the system.

Some people on this thread have just installed the kit and charged it with a can from the parts store, but the lack of proper lubrication for the r134a can lead to premature failure of your compressor and cost more in the long run.