winterizing 3.0 merc

splugeeman

Petty Officer 2nd Class
Joined
Apr 12, 2003
Messages
179
I have to move my boat out of a 60 degree heated garage. Usually I just change oil,gear lube, drain the block and fog the engine each year, works great. I now need to store outside. My question is how do I fill my block with antifreeze? thru the drain hoses?? all help would be appreciated as I need to move this boat very soon.
 

ziggy

Admiral
Joined
Jun 30, 2004
Messages
7,473
Re: winterizing 3.0 merc

i'm not a boat mech, but think ya need to find where all of the drain points are on your engine. i had three on mine. one on the manifold in the back underside, one on the exhust riser at the bottom side and one on the block. look in your service manual to find where your drain points are. drain them completely and then close them. think there's controversy over the antifree thing. i left my block dry. i'm on the assumtion that air don't freeze. bet ya get someone else's opinon on that though. just guessing......
 

ziggy

Admiral
Joined
Jun 30, 2004
Messages
7,473
Re: winterizing 3.0 merc

oh, forgot, try the red search button. you'll read for days on winterizing i bet..
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,095
Re: winterizing 3.0 merc

Usually I just change oil,gear lube, drain the block and fog the engine each year, works great.
If you have in fact Drained the cooling system,.......<br /><br />No further winterization is nessessary........<br /><br />Air Doesn't freeze......
 

BigPoppaG

Chief Petty Officer
Joined
Sep 22, 2004
Messages
493
Re: winterizing 3.0 merc

Plenty of topics on Winterizing a boat under the search engine.<br />Does anyone have a check list of what to do when you r ready to bring her our to winter storage?<br />What to check?<br />What to do?<br />What not to do?<br />ETC......
 
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