new impeller and housing ruined

wesleyhunter

Cadet
Joined
Jul 9, 2006
Messages
7
1986 Malibu Skier w/ Mercruiser 5.7 260hp. Replaced impeller when boat overheated. The impeller was destroyed as was the housing. I fished all ( i think) of the pieces out of the hoses and heat exchanger and replaced impeller and housing. Took the boat to the lake, put it in the water and it started smoking really bad out of the intake at the bottom of the boat. Removed the housing again and it the impeller and housing were ruined again. What is going on?
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: new impeller and housing ruined

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