Removal ("C", "E", "K" & "H" Body)
- Locate orifice tube. See ORIFICE TUBE LOCATION & REMOVER/INSTALLER APPLICATION (GENERAL MOTORS) table. Discharge A/C system, using approved recovery/recycling equipment. Disconnect liquid line retaining clips.
- Disconnect liquid line, at orifice tube location, between evaporator and condenser. Use Dual "O" Ring Joint Separator (J-38042) to hold pressure against liquid line female nut while loosening nut, if necessary. Remove and discard liquid line "O" rings using a nonmetallic tool so seal surface is not damaged.
- Remove orifice tube using specified orifice tube remover. See ORIFICE TUBE LOCATION & REMOVER/INSTALLER APPLICATION (GENERAL MOTORS) table.