water in oil pan [2 gallon or more]

horsefly38425

Petty Officer 1st Class
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Mar 8, 2003
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204
A friend of mine got a real good deal on a 98 larson /4.3L-gl-b volvo. went out spent 1600 on int. before running. Now the bad part. he put it in for the frist time and it started blowing oil/water out the spark arrestor. He thinks it is just a head gasket. I am thinking much worse/new motor. say's he olny ran it 5min or so we drained oil and over 2 gallons of water before the :( pancake mix started to run out . he comment was temp was o.k /oil pres. o.k . I say if it ran that long it is shot/to much damage was done.
 

Bondo

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Apr 17, 2002
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71,095
Re: water in oil pan [2 gallon or more]

I Think You're Right,+ Your Bud has some rather Large Cracks in his Block.......
 

spartanpele

Petty Officer 2nd Class
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Jul 5, 2005
Messages
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Re: water in oil pan [2 gallon or more]

Go through the search area on this forum and look under "water in oil", "milkly", "chocolate", "head gasket", etc... You'll find some step by step stuff on figuring out what happened. <br /><br />That much water, I have to think crack in the block or head too. But before junking, do compression tests, pressurize the cooling system to check for leaks, check the plugs for water intrusion, research/test... and Best of luck.
 

I/O WALDO

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Nov 16, 2005
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Re: water in oil pan [2 gallon or more]

Pull the intake and see those cracks!
 

GabeNalley

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Nov 4, 2005
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Re: water in oil pan [2 gallon or more]

Don't be so quick to trash the engine. Like Spart. said you have to do your research. I have my engine apart now with the same problema s you and currently I don't have any cracks in the intake man, the heads and can't detect any in the block. I pulled apart my risors and I beleive that is my issue. Bad gaskets could be your issue.

I ran mine until it was spewing like yours, but so far I have had luck in ruling out the big $$ items.

#1 priority save the engine. Drain it and oil it to keep corrosion down. THen use service bulliten or a good machine shop to test your parts.
 

jimmytee

Seaman
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May 5, 2006
Messages
51
Re: water in oil pan [2 gallon or more]

I've seen several posts about pressurizing the cooling system. Can someone please describe in detail how to do that?
 

Don S

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Aug 31, 2004
Messages
62,321
Re: water in oil pan [2 gallon or more]

Might want to check that intake manifold for your cracks.
Here is a very important difference in the 4.3GL and any other engines.

4.3GL%20intake%20draining.png
 

WillyBWright

Fleet Admiral
Joined
Dec 29, 2003
Messages
8,200
Re: water in oil pan [2 gallon or more]

Do the exhaust manifolds have epoxy repairs or are they new? We're afraid it's cracked from freezing. In other words, somebody didn't winterize it. Is this an eBay thing? I'd pursue a dispute if that's the case. I've seen a few junk boats sold that way. Even if the exhaust manifolds are original, I'd pull the intake manifold for sure. You're going to have to do that for head work anyhow. Look for cracks by the pushrods, usually toward the back cylinders. Also look at the frost plugs, but they're really tough and not necessarily a reliable indicator.
 

Don S

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Messages
62,321
Re: water in oil pan [2 gallon or more]

Understand one thing about my previous post with the pic from the manual. you could drain the engine and manifolds and if you didn't pull the plug that I showed, the only place that would have a problem is the intake manifold, but only DURING FREEZING WEATHER, you won't have any issues if it never got below freezing.
Due to the new design of the intake manifold, it will not drain completely unless that plug is pulled. As far as I can tell, if you don't have the service manual, you don't know about that plug. It's not in any older engines, not sure how many of the newer ones. But it is in the 4.3GL-B model.
 
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