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Hi,
To the best of my knowledge all the power steering pumps on the Volvos back then, were manufactured in Saginaw Michigan. That the name of the pump company as well, Saginaw.
Everybody uses them world wide.
I showed a film in my machine shop class that showed a machine with a large rotating table that swirled about very quickly. The rate of machining the internal bores was 600 per hour!
The film was made in the seventies. I can only imagine the output speed today!
I would think you can still get rebuilts ones at the local parts store for about $40. In fact they might be slightly more new!
Those in Junkyards go for about $7-$15 if their scalping you!
Tha ham can shape reservoirs just fit around the outside of the pump.
There was a large "o"ring that fit onto a turned diameter on the outside like a ring surface.
The can was held on by the outlet fitting and a nut on it.
There is a bracket bolt that also held the can on and of course to the pumps backside.
The back of the can had two o rings that fit between the pump housing and the can. The whole can got pushed on and held by the two fasteners.
One was the pressure side hose fitting.
The return hose used a simple clamp.
Volvos ran that ham can model until 1984.
The later pumps, starting along in 1985, went to a remotely mounted plastic reservoir with hoses.
So, your 1986 doesn't require the ham can model.
In fact, by the early nineties, they went back to a pump with a mounted square reservoir on the pump.
Probably for that Cadillac looking finish, going forward with the 700 and 900 series.
The Swedes don't care, they "hobbled on" what ever would work!
This is, as why I think, they used rubber mounts to get or keep it close! The rubber sags, but their cheap!
I suppose the pump housings are still the same internally, so they will still do the same job.
Over the years they put in a pressure relief valve to remove some power at road speeds and reduce sensitivity with new "rack and pinion systems" over the recirculating ball steering systems of domestic large cars!
So there's a choice, but it's the hose fittings may not or may be interchangeable.
That can be to anyone's guess why they do things like that. As it only causes chaos in parts inventory with world wide customers.
You could do as well as the Volvos engineering department did in that area.
Phil
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