How was the charge level of 24 ounces determined? Guaranteed that if two 12 ounce cans were used, there is less than 24 total ounces in the system. It sounds like the system has been charged three times now. Had the refrigerant been weighted as it was removed either time? I am wondering if there is ...

yup, a little leak is normal. I try to tighten them if they are leaking a little. If I pull my coupler off and they are spraying, I put the cap on long enough to pull out the tools to replace them. I bought a kit to replace them without evacuating the system so it is not a very big deal at all to re...

I have a 1991 Buick regal, a couple years ago I had to replace the seals in the AC lines because all the freon leaked out. I recharged it with an aftermarket r12/r134a compatible substitute and it worked great. This year my AC is not working, I checked it with the gauge I got with the kit which onl...