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Help with Regina Fuel Sender/Pump 900 1993

posted by  Chris Mullet on  Sat Jun 30 14:51 CST 2012
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last visit: Fri Oct 24 09:08 CST 2014
[RELATED]

"...I'm curious as to what the piece that goes between pump and the sender hose...see photo below. It appears to be some sort of regulator that has o-rings in it...."

I believe that is a sort of buffer that absorbs the pump pulsations in order to achieve a smoother fuel delivery to the pressure regulator.

Looking at your photo, what is that open brass looking piece on top of the pump? The reason I ask is because when I replaced the Regina system pump in our 740, I didn't get the pump properly locked into the metal bracket. So I had the same results as your car's owner - it started the first time OK, but when I shut it off it wouldn't restart even though could hear the pump running. Since the pump wasn't properly locked into the bracket, the fuel pressure blew the pump downward so that it disconnected from the "gizmo" above it.






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