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Old 05-29-2014, 07:28 PM   #33
Peter B
TF Site Team
 
City: Ex-Brisbane, (Australia), now Bribie Island, Qld
Vessel Name: Now boatless - sold 6/2018
Vessel Model: Had a Clipper (CHB) 34
Join Date: Jun 2008
Posts: 10,101
It has to be that thicker gasket, surely. Everything else checks out, or is unchanged. But a thicker gasket would allow a significant leakage past the end of the impeller, and prevent priming quite easily. Oh, one other thing, something my mechanic mentioned, as the strainer/seacock in my boat was recently replaced, much like you did...did you burp the strainer..? I used to have a horizontal one under the floor, now it's a fancy upright one, but when drained, you have to loosen the top clamping knobs and let water flow in up to the top. Just a thought. Has to be that or that thick gasket, in my view. The engine/pump should otherwise have no problem self-priming, and if the old impeller was intact, blockage should not be it either.
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Pete
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