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 How do I drain coolant from diesel?
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Louie B
Deckhand

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5 Posts

Initially Posted - 12/15/2001 :  10:20:13  Show Profile
When I open the drain to drain coolant from diesel engine block nothing comes out, but I know it's in there because I can stick my finger in the cap on top and feel its full. Could it be an air pocket? I sucked some out and replaced with fresh but it shou

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Douglas
Master Marine Consultant

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1595 Posts

Response Posted - 12/15/2001 :  13:55:40  Show Profile  Visit Douglas's Homepage
I don't have a deisel but have you tried puting a small piece of wire into the opening of the drain fitting. It may have corroded inside or sludged up.


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goodone
1st Mate

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USA
48 Posts

Response Posted - 12/15/2001 :  19:16:18  Show Profile
Quite frequently the lower part of the block ( where the plug is)
gets plugged up with silt, rust, and sand. Simply poke around in there with a small screwdriver and it'll start to drain out.


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Ken Cave
Navigator

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USA
148 Posts

Response Posted - 12/15/2001 :  19:36:04  Show Profile
Could you tell us what kind of engine you are working with?

Ken Cave

Ken Cave

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tinob
Master Marine Consultant

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USA
1883 Posts

Response Posted - 12/16/2001 :  10:01:02  Show Profile
<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
Louie,
One or two more suggestions to add to the already workable solutions mentioned above.
First let me say that I run an outboard

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Louie B
Deckhand

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5 Posts

Response Posted - 12/16/2001 :  20:54:20  Show Profile
thanks for the suggestions,it's a universal m-12. It's like a lawn tractor pushing 5000 lbs!


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Louie B
Deckhand

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5 Posts

Response Posted - 12/16/2001 :  21:07:58  Show Profile
thanks for the suggestions,it's a universal m-12. It's like a lawn tractor pushing 5000 lbs!


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Ken Cave
Navigator

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USA
148 Posts

Response Posted - 12/16/2001 :  21:52:52  Show Profile
Is this engine a "raw" water cooled, or does it have its own inboard cooling system using outside water to cool it?

Ken Cave

Ken Cave

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