For the steering fluid leak, first try the Lucas Power Steering Stopleak. The stuff works in many cases if seals are leaking, but of course, won't fix a hose which leaks due to a flaw, nor will it tighten loose fittings, lol. For old leaky seals, yes, try it.
89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)
previously owned since 1964:
62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6