Mercruiser power steering pump vs. Automotive pump
What is the difference and will they interchange?
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I know there has been lots of discussion, there is a GM pump,(Saginaw?) that is same. I think people swap the reservoir and the pressure relief valve over.
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have swapped several, they claim the marine one(made by AGR) have a bearing instead of a bushing inside, I have never taken one down to see, I bought the marine one from AGR for the checkmate as was having a issue with the hyd steering and was chasing it(did not fix it). but on a few others I bought a truck pump, swapped over the pressure relief valve, spring and fitting and all have worked fine, was told by AGR they would not hold up long term so ????
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Ayuh,... Ditto here,... The saginaw pumps are pretty much the same, 'n will retro-fit, so long as ya use the pressure check valve outa the marine pump,...
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Difference ? about 300 bucks
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I bought a used one off of a 86 Astro Van about 15 years ago for an Arneson retrofit. Still works great!
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I ran an automotive one on my 540's a few boats back, I was out of town and in a pinch. I swapped the relief valve and ran the boat for 100 hrs without any problems and sold the boat. Never gave me a problem. Funny thing is, after the incident I never thought about it again until this thread.
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Where you at? I have two on a shelf I have no use for.
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Marine Has higher pressure. But all you have to do is pretty much swap the pressure relief valve and spring. I made a how to do it thread, either here or PBN. like me find it.
EDIT: It is on PBN and since OSO will block the link like this http://forum.***************.com/general-powerboat-discussion/4167-how-replacing-your-power-steering-pump-mercruiser-$60.html Go over to power boat nation, > general discussion> How to: replace you power steering pump Or copy and paste this in google and it should pop up "power steering pump 92nsx " |
Excellent info. Saving in the diary for when the day arrives!
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