How do you know when your waterpump (is that Impeller?) is busted?

[RipNLips]

No [size 1]guarantee[/size], but it sounds to me like you probably lucked out. You said the hole was filled with algae. The algae was probably just keeping water from coming out of the indicator hole even though water was pumping through the rest of the system fine. If water is coming out of the indicator hole now and the engine doesn't seem like it's running poorly or heating up excessively, you're probably allright. It may not hurt to check out or replace the impeller however. It'll give you piece of mind during those long cruises if nothing else.


Although it focuses on cold weather boating, there's a good thread BLM started that should interest you. Check out [url "http://www.bigfishtackle.com/cgi-bin/gforum/gforum.cgi?post=28813;sb=post_latest_reply;so=ASC;forum_view=forum_view_collapsed;;page=unread#unread"]this link[/url].
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