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From The Saab Tech Wiki
The low pressure port is located next to radiator near the battery. Fig. 1
[[File:90093AC_Recharge_02.jpg|thumb|none|Fig. 1 - Low Pressure Port]]
The high pressure port is located behind the grille, and should be avoided. Fig. 2
[[File:90093AC_Recharge_04.jpg|thumb|none|Fig. 2 - High Pressure Port]]
===Charging===
One end of the charging hose snaps over the low pressure port. The other end of the hose screws down tight on top of the refrigerant container. The thumb screw at the container is screwed in to pierce the container seal, and then backed off to allow the refrigerant or the esther oil out. If adding oil, the can is held upside down. If adding refrigerant, right side up. Fig. 3
[[File:90093AC_Recharge_03.jpg|thumb|none|Fig. 1 - Low Pressure Port With Recharging Equipment Attached]]
