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    How to winterize closed cooling system engine mercruiser alpha one 4,3 V6

    Thank you!
  2. K

    How to winterize closed cooling system engine mercruiser alpha one 4,3 V6

    Thank you so much for your help! I live in Southern Idaho so it gets to sometimes -5 on a bad winter night. But usually pretty mild On this… Is there somewhere online where I can find diagram of the engine so I know where the exhaust manifold hoses are located 🤪 And when I drain them, do I...
  3. K

    How to winterize closed cooling system engine mercruiser alpha one 4,3 V6

    Hi I am new to the form and appreciate any help. From what I have research just wanted to go over the steps that I have and was wondering on how to handle the close cooling system? I was going to put in fuel stabilizer. Fog the engine. Darin the water from the engine block. Drain and replace...
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