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Old 04-16-2020, 01:26 PM   #3
Pete Meisinger
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City: Oconto, WI
Vessel Name: Best Alternative
Vessel Model: 36 Albin Aft Cabin
Join Date: Oct 2012
Posts: 2,128
First, check the impeller, it sounds like it is working but I am concerned that it has lost a fin or two which have migrated to a small passageway inside the engine. You need to find it and remove it before it migrates again to a more critical spot.

You may be lucky, it may actually be right behind the petcock which you opened to drain the block, remove it and dig around.

Can't imagine why you would want to drain the coolant though.

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