Grand Prix V6-204 3.4L DOHC (1992)
Tool J-38704, is an octagon socket which is used to unthread the A/C high side pressure port from the high side A/C line and then used to thread the new
port back onto the high side pressure line.
Service parts are as follows:
Part
Part Number
Valve Core Housing and 0-ring
52456273
0-ring
52450548
Parts are currently available from GMSPO.
CAUTION:
NEVER REMOVE THE GAGE LINE FROM ITS ADAPTER WHEN THE LINE IS CONNECTED TO THE A/C SYSTEM.
ALWAYS REMOVE THE LINE ADAPTER FROM THE SERVICE PORT TO DISCONNECT A LINE. DO NOT REMOVE THE
CHARGING HOSE AT THE GAGE SET WHILE ATTACHED TO THE SERVICE HIGH SIDE PORT. THIS WILL RESULT IN
COMPLETE DISCHARGING OF THE SYSTEM DUE TO THE DEPRESSED VALVE AND MAY CAUSE PERSONAL INJURY
DUE TO ESCAPING REFRIGERANT.