Originally Posted by
VaderMarine
As a boat owner for 50 years I’m pretty familiar with impeller failure over time, as well as when they set and then crack over time.
I had wondered if the continuous running of the pump with the key on caused early failure @27k since installation.
Thanks for any and all input.
The reason the 03 pump impellers failed was because of the way they were manufactured, l believe they were sintered and failed at the sharp corners of the spline.