Have helper start pouring antifreeze into funnel and start the engine.
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Then stick a funnel in a short section of hose to the earmuffs and ready 3 gallons of marine rv antifreeze.
3 6 out of.
1999 5 7 merc has 5 two on the block two on the manifolds and one on the low point of the fat circ pump hose.
In il i used to do a full winterization but with the shorter milder winters here in nc this is pretty much.
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There are 6 that i remove before winter each year.
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Where is the 6th drain hole.
I have both in the exhaust manifolds and in the block on both side and the one right up front.
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On holiday had asked me some time ago for pics of where my drain plugs are in my 2000 mercruiser 5 7l engine in my cobalt 206.
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