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40 HP pees but still overheat alarm at speed
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<blockquote data-quote="David Atkins" data-source="post: 499510" data-attributes="member: 33198"><p>I always replace the whole water pump assembly, best practice in boat service is to replace entire assembly. A blown head gasket would be the last thing on the list for me or my marine techs; does it happen of course but other things needs to be checked, 1st the water pump, sitting for that many years the impeller is deformed and will not pump full flow, seen that too many times over the last 40+ years, I've also been boating since I was 5 yrs old and owned a boat since I was 12 years old, so been around a bit. Engines sitting for that long also have issues with electrical components so that would be my next check after the after the pump replacement, could also be build up in the water system partially blocking the water flow (Just thought of that)! Let us know! Pictures would help us, too!</p></blockquote><p></p>
[QUOTE="David Atkins, post: 499510, member: 33198"] I always replace the whole water pump assembly, best practice in boat service is to replace entire assembly. A blown head gasket would be the last thing on the list for me or my marine techs; does it happen of course but other things needs to be checked, 1st the water pump, sitting for that many years the impeller is deformed and will not pump full flow, seen that too many times over the last 40+ years, I've also been boating since I was 5 yrs old and owned a boat since I was 12 years old, so been around a bit. Engines sitting for that long also have issues with electrical components so that would be my next check after the after the pump replacement, could also be build up in the water system partially blocking the water flow (Just thought of that)! Let us know! Pictures would help us, too! [/QUOTE]
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40 HP pees but still overheat alarm at speed
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