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Overheating

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5 years 5 months ago #1513 by David
David created the topic: Overheating
Well I changed the engine water circulating pump on my starboard 5.7 Cobra and it is still overheating but not as much and it is stable at around 190 degrees where it was going over 200 before I shut it down. I have replaced the impeller and the thermostat. The only thing I can think of is an air leak around the impeller housing. I am going to hook up a clear hose from the intake to the thermostat housing to see if I can view the flow and if there is any air bubbles tomorrow :S

David
1990 Sunray Infinity
Twin 5.7 Cobra's

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5 years 5 months ago #1526 by David
David replied the topic: Re: Overheating
Got it fixed finally :) I made it out past the break wall today and no over heating :cheer: I removed and reinstalled the impeller there was a small amount of silicone sealant on the plate under the impeller cap. I guess it was just enough to allow it to suck air.

David
1990 Sunray Infinity
Twin 5.7 Cobra's

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5 years 5 months ago #1527 by jamie mac
jamie mac replied the topic: Re: Overheating
Good job david. happy boating after all your work you deserve some boating time

2006 mainship rumrunner

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5 years 5 months ago #1528 by David
David replied the topic: Re: Overheating
Thanks Jamie :)

David
1990 Sunray Infinity
Twin 5.7 Cobra's

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5 years 5 months ago #1531 by jswarts
jswarts replied the topic: Re: Overheating
Glad it was an easy and inexpensive fix.

John Swarts

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