air conditioner

Hello! I have a ‘92 Bronco with a 5.8L V8. The AC functions, blows, turns off and on. it works just like the AC should but it just blows dry air, nothing cold nothing hot. I’m aware that my heater is bypassed so I don’t have heat at all and I’m not sure if that has anything to do with it. So I’m...

if i am converting my stock AC (79 Bronco) to 134, what all do i need to replace. i have heard that i need to get an O-ring conversion kit.