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#348995 - 10/03/07 11:35 AM Water In Oil  
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flie50 Offline
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flie50  Offline
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Shenandoah Valley, Virgina
Could water come into the oil from one of the bellows outside the boat not being attached to the fitting on the outdrive?


1987 Bayliner 1950 Capri
5.0 OMC Cobra Drive
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#348996 - 10/03/07 11:43 AM Re: Water In Oil [Re: flie50]  
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WaterMutt Offline
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No.
Which oil anyway, engine, drive, power steering,?


Malibu Wakesetter 23XTI
Bryant 214 Limited (gone, but not forgotten)

"That's my boat..."
-Forest Gump

#348999 - 10/03/07 12:19 PM Re: Water In Oil [Re: WaterMutt]  
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flie50 Offline
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flie50  Offline
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Shenandoah Valley, Virgina
Apologies. Engine.


1987 Bayliner 1950 Capri
5.0 OMC Cobra Drive
#349001 - 10/03/07 12:26 PM Re: Water In Oil [Re: flie50]  
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deepv Offline
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Welcome to the best boating board on the net, flie50.

Water in the oil can be due to a blown head gasket, cracked water jacket in the block, head or exhaust manifold. I would look at that last item first.


72% of fatal boat accidents are caused by
boaters that haven't taken a safe boating course.

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#349004 - 10/03/07 12:47 PM Re: Water In Oil [Re: deepv]  
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flie50 Offline
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flie50  Offline
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Shenandoah Valley, Virgina
I checked one side of the exhaust manifold (took it off) and I didn't see anywhere in the gasket where water runs through it. Or oil. Did I just not see it? I know the raw water exits through the exhaust, but it enters in the manifolds themselves after the gaskets. So how exactly does a cracked manifold gasket allow water to get into the engine oil?


1987 Bayliner 1950 Capri
5.0 OMC Cobra Drive
#349006 - 10/03/07 01:02 PM Re: Water In Oil [Re: flie50]  
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WaterMutt Offline
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A head will usually crack on the piston side which will probably not result in water in the oil. Same with a head gasket. If your head cracks in the rocker side, then water can get into the oil, also if your head gasket goes between a water jacket and lifter bay, water in the oil will result.
You could have a bad intake gasket, that's where I'd start. Run the engine on muffs and see if there is any white smoke. I hope it is a gasket problem and not a cracked block.


Malibu Wakesetter 23XTI
Bryant 214 Limited (gone, but not forgotten)

"That's my boat..."
-Forest Gump

#349007 - 10/03/07 01:05 PM Re: Water In Oil [Re: flie50]  
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BillyB Offline
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 Quote:
So how exactly does a cracked manifold gasket allow water to get into the engine oil?


It's the exhaust manifold itself that cracks or rusts out internally, allowing the water jacket to leak into the exhaust runner. When you turn the engine off the manifold drains through the crack, into the exhaust port of the head, and into the cylinder bore. It usually doesn't maike it all the way to the crankcase, though.

Has the boat had the bilge fill with water? If so, it may have entered via the oil pan to timing cover gasket area.


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#349068 - 10/03/07 06:05 PM Re: Water In Oil [Re: BillyB]  
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flie50 Offline
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flie50  Offline
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Shenandoah Valley, Virgina
The oil in the water thing has been a problem since my aunt gave me the boat. Oil has been changed countless times and still the milkiness returns. It was a free boat so I'm slowly trying to find the culprit but at the same time enjoying my time on the water. I bought ALL the gaskets for the entire engine last summer, I'm just not sure if I want to replace them all myself or have someone rebuild the engine for me.


1987 Bayliner 1950 Capri
5.0 OMC Cobra Drive
#349092 - 10/03/07 07:12 PM Re: Water In Oil [Re: flie50]  
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BillyB Offline
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An 87 model boat, it's either an internal engine block crack or bad manifolds. I hope you can find OMC Cobra manifolds for it.


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#349093 - 10/03/07 07:18 PM Re: Water In Oil [Re: BillyB]  
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deepv Offline
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Or a used merc or vp complete, but they should be available.


72% of fatal boat accidents are caused by
boaters that haven't taken a safe boating course.

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#349096 - 10/03/07 07:27 PM Re: Water In Oil [Re: deepv]  
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power and sail Offline
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I believe I had a 5.0 in a 21 ft Bayliner from 89 and I had closed cooling system on it. It continued to give me problems with overheating and finally I just removed the heat exchanger and let it just take in raw water. Cured the problem. I had by then though blown the head gasket and that does not bring water in the oil but it blows coolant or cooling water out the exhaust through the cylinders.

How fast does the oil show milkiness? Do you see it in the pan or inside the valvecovers (on the filler cap). If it is in the upper end and not that much in the pan I would not worry just run it as it was free etc.
If it rapidly shows up in the pan then you may need some new parts.

Good Luck

h


power and sail
enjoying both

"Beyond Aquadesiac"
#349111 - 10/03/07 07:56 PM Re: Water In Oil [Re: deepv]  
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flie50 Offline
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Shenandoah Valley, Virgina
Or just wait another 2 or so years till this college education I'm finishing kicks up some money and get my Glastron I've been waiting on.


1987 Bayliner 1950 Capri
5.0 OMC Cobra Drive
#349118 - 10/03/07 09:37 PM Re: Water In Oil [Re: flie50]  
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tpenfield Offline
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 Originally Posted By: flie50
Could water come into the oil from one of the bellows outside the boat not being attached to the fitting on the outdrive?


No. . .

Like the others have said, it sounds like an engine problem that requires moderate to extensive repair work. Perhaps a compression test would shed some light.


Regards, Ted

Formula 330SS

My Boat Web Sites
#349120 - 10/03/07 09:41 PM Re: Water In Oil [Re: flie50]  
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Sweebs Offline
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Monmouth, Illinois
 Originally Posted By: flie50
Or just wait another 2 or so years till this college education I'm finishing kicks up some money and get my Glastron I've been waiting on.


I finished college - waited for the "money to kick in", it didn't. went back for a Master's & finished, waited for the money to kick in.

That was, lets see, 8 yrs ago now. (I'm still waiting)


1991 Glasstream 180 SE Bowrider 4.3
2003 Dodge RAM 2500 HD 4x4 5.7 Hemi quad cab
2007 Kia Sedona 3.8

#349126 - 10/03/07 10:08 PM Re: Water In Oil [Re: BillyB]  
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Monmouth, Illinois
 Originally Posted By: BillyB
An 87 model boat, it's either an internal engine block crack or bad manifolds. I hope you can find OMC Cobra manifolds for it.


Cobra manifolds are available. (I often read that OMC stuff is tough to find, but so far anyway, I haven't had any problems finding any parts)


1991 Glasstream 180 SE Bowrider 4.3
2003 Dodge RAM 2500 HD 4x4 5.7 Hemi quad cab
2007 Kia Sedona 3.8

#349128 - 10/03/07 10:17 PM Re: Water In Oil [Re: Sweebs]  
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BillyB Offline
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Glad to hear it. In the West marine catalog, there are OMC/Cobra manifolds listed. I have never tried to order any of them. (I might look at a boat that has a Cobra drive, real soon, so I may need parts someday!)


I'm just happy to be here!



#349332 - 10/04/07 11:24 PM Re: Water In Oil [Re: BillyB]  
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Sweebs Offline
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Sweebs  Offline
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Monmouth, Illinois
watch out, I hear those Cobra's suck


1991 Glasstream 180 SE Bowrider 4.3
2003 Dodge RAM 2500 HD 4x4 5.7 Hemi quad cab
2007 Kia Sedona 3.8

#349403 - 10/05/07 07:46 AM Re: Water In Oil [Re: Sweebs]  
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BillyB Offline
Admiral
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Peoria, Illinois
They do, but at least the impeller is easy to change! ;\)


I'm just happy to be here!



#349617 - 10/05/07 08:59 PM Re: Water In Oil [Re: BillyB]  
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gmcc Offline
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MD
Osco Manifolds should have risers and manifolds for OMC in stock
http://www.oscomotors.com/


Gmcc
Deep Creek Lake, Maryland
Stuart, Florida
2006 Gekko GTO22 Ski/Wakeboard boat
2006 Sea Doo Gti
#349634 - 10/05/07 10:15 PM Re: Water In Oil [Re: gmcc]  
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Ragtopman Offline
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Wallingford, CT & Squam Lake, ...
Dude I went through this this spring . It was the exhaust manifolds. I took everything apart all looked good comression was good and found by trial and error. Water would only leak in as the boat would cool found it by doing a comression check after using and finding water leaking into a cylinder. Compression was great at the time go figure. Get good manifolds and remember...

Its better to be on the water in an old boat than on the hard wishing you had a boat


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99 Four Winns 245 Sundowner "Tropical Itch"
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