Yes it could still have air in the lines.
To bleed it, open the hood and check the fluid level add if it is low.
Start the engine and slowly turn the steering wheel left to right and back again. Do not turn the wheel completely lock to lock. Check the fluid level and fill as necessary, until it remains steady and no more air bubbles.
93 YJ SOA 2" springs front, XJ springs rear w/main leaf added, High pinon 9 inch rear detroit locker front Dana 44 ARB 4.56 Gears, 36 inch Irok tires too much to list.
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