Originally Posted by jfw432
The impeller I pulled out of my boat after acquiring it looked way worse than that. All of my fins were more than half gone. Temperature was ok unless the water in the block or lines got drained. When that happened, the impeller couldn't create a suction to pull any water from the lake and the engine overheated really fast. I don't know what happened to all the pieces but I haven't had any cooling problems since changing the impeller.
Makes me feel a little more at ease.
I will still check the T-Stat and blow out the hoses since I have time now. Summer is too short in WI to mess with problems.