Been working on the 1992 Buick r12 AC for over 2 months now - I have studied the charging procedure over and over - every single piece of hardware is new - held great vacuum . Did all my pre-checks... . Today was the big day to finally charge and then ...flop.. With the car off, I charged one 12oz....

Car has 37,000 miles. I evac and charged to spec and it blows ice cold air but after a few days the charge has leaked out. My leak tester goes off above the compressor and I can see yellow dye on the body of the compressor below . I have a few questions. 1) Can I replace just the compressor without...

Posting for my neighbor. About 10 years ago he changed from R12 to R134A without flushing the system . I am thinking that the oil has coagulated because the high side is reading 350psi when I get the low side to about 37psi. Wondering if I can replace the condenser and dryer and flush the rest of t...