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    Telltale dribbles after replacing impelller and ensuring hose is clear

    Mechnic found the thermostat was full of debris and stuck way open. New thermostat and now its is peeing like a horse.
  2. I

    Telltale dribbles after replacing impelller and ensuring hose is clear

    Today I blew 50psi air into the water tube feeding the fuel cooler with the lower unit off. It blew clear but most of the air was coming out the exhaust. There was some pressure on the bottom end of the water tube but I could easily block it with my finger. I decided to hand it over to the...
  3. I

    Telltale dribbles after replacing impelller and ensuring hose is clear

    There was no flow on the water hose to the inlet side of the fuel cooler. Good idea. I'll try that to see if there is a blockage between the fuel cooler and the exhaust adapter plate. I agree also good to ensure fuel cooler itself isn't blocked. I'll do that but I see it as a separate matter...
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    Telltale dribbles after replacing impelller and ensuring hose is clear

    I recently purchased a pontoon boat with a Mercurcy F25ELPT 4-stroke. During the 30 minute pre-purchase water test I noticed the tell tale was only dribbling. The vendor stated that it had been like that the 8 years he owned the boat. My 1974 Mercury 1150 (tower of power) that I have been...
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