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#1
posted to rec.boats
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Boat Overheats
Hello,
I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. My question is: What is most likely the cause, The seawater pump, the theremostat or the circulating pump. I'd like to try to start with the "Most likely" and work my way down. The boat is 4 years old. I use it in the Barnaget bay from May to October and dry dock it from there. Thanks Mike |
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#2
posted to rec.boats
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Boat Overheats
On 17 May 2007 04:59:37 -0700, Mike wrote:
Hello, I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. My question is: What is most likely the cause, The seawater pump, the theremostat or the circulating pump. I'd like to try to start with the "Most likely" and work my way down. The boat is 4 years old. I use it in the Barnaget bay from May to October and dry dock it from there. Thanks Mike If you've not replaced the impeller yet, I'd start there. I replace mine every two years. |
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#3
posted to rec.boats
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Boat Overheats
"Mike" wrote in message ups.com... Hello, I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. My question is: What is most likely the cause, The seawater pump, the theremostat or the circulating pump. I'd like to try to start with the "Most likely" and work my way down. The boat is 4 years old. I use it in the Barnaget bay from May to October and dry dock it from there. Thanks Mike Most likely a bad cooling pump impeller. |
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#4
posted to rec.boats
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Boat Overheats
On 17 May 2007 04:59:37 -0700, Mike wrote:
Hello, I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. My question is: What is most likely the cause, The seawater pump, the theremostat or the circulating pump. I'd like to try to start with the "Most likely" and work my way down. The boat is 4 years old. I use it in the Barnaget bay from May to October and dry dock it from there. ======= The seawater pump |
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#5
posted to rec.boats
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Boat Overheats
On May 17, 7:59 am, Mike wrote:
Hello, I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. My question is: What is most likely the cause, The seawater pump, the theremostat or the circulating pump. I'd like to try to start with the "Most likely" and work my way down. The boat is 4 years old. I use it in the Barnaget bay from May to October and dry dock it from there. Thanks Mike Start with the pickup and raw water pump. The thermostat either circulates the water through the engine and then out the exhaust or diverts the water out the exhaust. So even if the theormostat was stuck you should still see water. |
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#6
posted to rec.boats
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Boat Overheats
"Mike" wrote in message ups.com... Hello, I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. Turn the hose on....... |
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#7
posted to rec.boats
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Boat Overheats
Everyone, Thanks, I am going to try the seawater pump first.
John......Funny! On May 17, 2:24 pm, "John" wrote: "Mike" wrote in message ups.com... Hello, I have a 5.0 ltr merc with a Bravo 3. Its still on land as I get it ready for the season. I put earmuffs on it and let it warm up. After it warms up it starts to overheat.There is NO water coming out. Turn the hose on....... |
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