AC high and low fill port question

[Steve Sandoval]

I noticed on the photos I've seen of the AC hose routing shows a fill port in the #10 suction port, which is typical. However I noticed that there is a fill port on the #6 port just before the dryer where there is a pressure switch. Typically I thought the #8 line is the usual other port site, the high pressure line. Is there another fill port on the #8 line I haven't seen in photos, thanks
-Steve

 

[DaveM]

Steve, the only two ports are the larger suction one and the smaller high pressure one you noted before the drier. There are none on the #8 line between compressor and condenser. Both the #8 and #6 lines are high pressure, but #8 is gas and #6 is liquid. I thought that was standard auto A/C practice.

 

[Steve Sandoval]

Thanks, looks like I will be using the #6 line then
-Steve