I usually fill my tanks from the inspection port on the tank, try to fill that other (which you could not get the deck plate off to fill) tank this way, run the pumps again and see what happens, it may take several minutes?
Does the pump sound different then when it was working properly?
Tartan 37 - S/V Windgeist
Sailing the Chesapeake Bay
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Photo by Joe McCary