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Thread: water in oil
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09-20-2019, 03:59 PM #21
Water in the crankcase from cracked exhaust manifolds is certainly not the most direct path, but I would never say never. On the same side of the coin, if an engine ran hot enough, its toast. Thats the worst thing you can do to an engine. Cylinders get out of round, pistons scuff, heads and block warps, etc.
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09-20-2019, 04:02 PM #22
If you cracked an exhaust manifold, I am sure you could also crack a water jacket and or cracked a cylinder.
Sent from my iPhone using Tapatalk2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan
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09-20-2019, 05:19 PM #23
Yeah...that I can agree with! It’s nots the cracked manifolds that let the water in.
Hence why I said have the motor compression checked otherwise new manifold aren’t going to do jack shit to fix a cracked block!
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09-20-2019, 11:15 PM #24
I’m guessing every time you shut the engine off water could flow into the exhaust and get into the crankcase through the exhaust valve. That’s the only thing that makes sense to me.
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09-20-2019, 11:59 PM #25
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09-21-2019, 09:42 AM #26
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09-24-2019, 12:00 PM #27
This^^^^^....when shut off water can flow thru exhaust valve into cylinder head. The water will then seep past the ring gaps into the crank case.
The question is where did the water in the bilge come from? What hose came off? I would not think a ballast hose would cause an overheat issue. Was the water warm in the bilge? Why did the automatic bilge pump not come on? When was the oil level last checked.09 21v LAUNCH
99 Outback LS. Sold
run your engine after you change your oil
68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
Doug
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09-24-2019, 12:03 PM #28
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09-24-2019, 01:54 PM #29
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09-24-2019, 02:16 PM #30
Docdrs brings up a good point of why did the automatic bilge not turn on. Better make sure that gets checked out.
Scott
2021 Craz
2007 Mobius LSV
1997 Sea Ray 190