I feel I should say I'm a DIY guy. A real amateur. Although I used to do some commercial 25 years ago, before licensing. I'll try to find the correct forum to post my questions. I just have a few. I do think I'm set up right now to fix the AC on my car. I have a Robinair 15424 vacuum pump, a scale, a 30 lb tank of R134a, new parts for the car and a new gauge set.
Maybe someone would tell me where to post car AC questions?