Don't worry about the power steering. When I first got mine, PAS was top of the agenda. I even contacted Dean at Ace Auto Spares over there in SA to look at importing a system. The cost put me off, but 12 months down the line I don't know why I wanted it. You soon get used to the heavy low speed steering because once you get moving it is beautifully light.
I am also needing to resurrect the aircon, but with the diabolical summer that we are having in the UK, that is also on the back burner.
I'll be interested to hear how you get on sourcing coolant hoses as they aren't available over here.
Might be worth prioritising on the brakes as front bumpers are quite expensive.
Hang on in there............
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South African 1991 2.5i Microbus - now sadly rehomed to pay for a Melco EMT16X Embroidery Machine.