Join Date: Aug 2008
Location: East Tennessee
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Re: Yanmar 2GM20F - Not pumping water at slow speeds
Sucking air? Could have a small leak between the seacock water pump output.
I'd take a close look at, if not just replace, the gaskets.
When was the last time you replaced the impeller? And was it the correct one?
Don't re-accommodate me, Bro
And the trees are all keep equal by hatchet, axe and saw...RUSH
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