3.0 water in oil question

J

jackrabbit2

Cadet
Joined
Apr 14, 2008
Messages
22
ok, 2006 3.0 liter gm engine with volvo outdrive, on stingray boat, water in oil,no visable leaks, a year ago freeze plug blown but ran boat all of last season, noticed oil when changed this spring, changed oil ran about an hour and water in new oil, block, manifold, give me some help
 
T

tschmidty

Chief Petty Officer
Joined
Mar 24, 2010
Messages
462
Re: 3.0 water in oil question

Freeze plugs blow for a reason. Guessing the boat wasn't winterized and the block is cracked.
 
J

jackrabbit2

Cadet
Joined
Apr 14, 2008
Messages
22
Re: 3.0 water in oil question

no doubt was not winterized properly, just wondering if it is most likely block or possibly manifold
 
bhammer

bhammer

Ensign
Joined
Mar 29, 2008
Messages
963
Re: 3.0 water in oil question

You could pull the manifolds and have a look. You are going to have to pull them anyways when you pull the engine to swap the block for one that is not cracked. The plugs popped and so did your block; sorry, no way around it.
 
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