Yes I used cans. I’ll check the gauges again. Thank you guys. I’ll reply back

Sorry typo it should read 1976

Guys and gals. I have a all original 1986 firebird Formula 400. I did replace the compressor, all a/c lines and o-rings. I flushed the system and vacuumed for a few hours. It held 28” of vacuum for 5 hours. I charged it with R-12 it will cool to 58 degrees then starts to warm up. The high side hose ...

The high side does not move at all stay's at zero. The poa valve is warm on both side. How do I test the poa by unplugging the blower motor?

Guys I have a 1973 Camaro Z28. I have had this car since 1975 never really used the a/c but would like to now. I disassembled the system blew out all lines. replaced dryer and hoses going to the dryer and hose going to the expansion valve from the dryer and replaced exp.valve. Drained the oil from t...