Some information that might actually help (!) =>

When I pulled my power steering pump to bits it didn't pump after I had cleaned it all out. First stop was to come on the forum to see what was what. At that time I found lots of "I don't why but it won't pump any more" threads. It turned out to be because of a dirty valve =>

W123 Vickers type 24 power steering pump questions

You might find that the pump pumps better if it has been cleaned out.

You can also do an easy drain of the whole system sans / zonder / without the turkey baster fiasco by doing this =>

What a feeling it will be! A properly adjusted W123 / W116 / W126 power steering box

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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!