Get the FSM and re-do all the lines.Pull the passenger side panel and replace all the lines to the purge tank.I don't think your tank is bad.I'll have a wagon tank in a month or two.
By left,do you mean the passenger side?There are two parts to the 79 A/C set-up.The bracket that holds the compressor where th efuel pump normally is,and the front bracket that holds the idler pully and bolts to the TC inspection mount.