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Old 09-15-2012, 02:03 PM
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Huge!! Power Steering Leak

I have a March Revolver pulley system on my 454 that has a Saginaw power steering pump and has been a thorn in my side for two years now.

The set-up has the alternator/pwr steering and mech H2O pump on a serpentine (454). It exploded all over the inside of a fresh engine and paint. I think the pump is a Saginaw P300. It was thought to have been leaking at the fittings on the high pressure side and they were replaced, only to think it must be the pump (brand new) from March. I ran it with dry rags around the pulley and fittings. The result was a leaking seal right behind the pulley itself....keeping in mind it is new pump.

Once I replace the pump again (from March), it seemed to work (I ran it for a few miles - perhaps 50).

Well yesterday was dyno day and the 454 performed VERY well, and no issues were present.

On the ride back home about 50km from the city I heard a slight squeaking. Checked under the hood before taking my son for a BD dinner and TaDa..Power steering fluid EVERYwhere. I have spent hours cleaning, cause the paints and polish finishes degrade (missed his dinner) and it has happened again.

This makes both Saginaw pumps leak from the exact same spot. Not to mention I only put about 100 miles on it since it last went Mt. St. Helens on me.
Is there a better pump out there that can fit? I think March re-manufactures, then sells the pumps. What are the odds that everyone of them EXPLODES? Can a different front seal that actually works be had? Does the pressure relief valve have some issues, cause I know I am starting too? Please help. I have it to drive, not wash!!
Please help if you could. Thanks.
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