power steering seal leak
sector shaft seal
remove pitman arm, remove seal snap ring, start car and seal should pop out ,if not turn the wheel to create enough pressure, check shaft for wear/grooving where the seal runs...
If its grooved up, repair/replace sector shaft and seal...if its not that bad, clean it up with some emory cloth,install seal and reassemble
tools required: socket big enough to fit nut, impact gun or equivalent, heavy snap ring pliers, pitman arm puller
DO NOT hammer on the shaft