You have overcharged the system.

If the spec was 52 ozs of R12 as stated,

FJC states to put in: 2 lbs 13 ozs for orifice tube systems

FJC states to put in: 2 lbs 15 ozs in POA Valve / POA-VIR systems.

When retrofitting from R12 to R134a I have always f... Login to read more.