I did it! With butane/propane torch of my small gas iron welder (weller pyropen). I heated the aluminium then i turned the stud circle way down ad up and it slowly breaked the oxidation. Metal does not seem damaged, it was just a little dirted. I hope i did'nt stressed much the junction with the heat.

I tried to heat the junction with a cigarette lighter.

I don't want to use a propane torch because it's the aluminium line and i fear that the heat can melt the aluminium.

What is i try to insert a sharp blade into the junction and i try to pry?

Hello everyone. I'm the owner of a beautiful 1991 Mazda Rx7 Convertible. I'm restoring the ac system changing all the o rings. Al the lines came off easily. The only line giving me a lot of trouble is the one that is on the enter side of the condender (the one that is from the high pressure side of ...