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Sabot15
New User
Dec 27, 2014, 9:15 PM
Post #1 of 7
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Water in Cylinder
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I have a 96 Oldsmobile cutlass supreme with 92k and the 3.1L V6.
It recently developed a miss on cylinder #1. I have a small amount of coolant in my oil and some sludge in my radiator. I assumed it was the the very common lower intake manifold gasket failure that was causing the problem, but I noticed something weird.
When I removed the spark plug on #1, and I turned over the engine, antifreeze shot out.
When I look at the way the manifold fits, I don't see any way that water could get directly from the jacket journal to the intake journal. I am assuming then, that this MUST be a head gasket failure. Is that correct?
Thanks!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 28, 2014, 3:38 AM
Post #2 of 7
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Re: Water in Cylinder
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Antifreeze shot out of a cylinder - certainly not good. You'll know more exactly when taken apart and parts sent out or pressure into that cylinder when at TDC now and see where it goes as best you can,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 28, 2014, 7:22 AM
Post #3 of 7
(1726 views)
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Re: Water in Cylinder
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The intake gasket can't put coolant into the cylinders in this particular engine. You're looking at a likely blown head gasket.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Sabot15
New User
Dec 28, 2014, 11:32 AM
Post #4 of 7
(1720 views)
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Re: Water in Cylinder
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Yeah, that's what I thought. I went ahead and tore it all down... when I got the head off, I saw dark spots in the cylinder wall. I think water sat on it for awhile. It feels slightly rough there.
Does this mean I need to pull the block and have it machined?
Here's a picture:
https://imageshack.com/i/ipKR94F0j
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 28, 2014, 11:36 AM
Post #5 of 7
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Re: Water in Cylinder
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No, I'd say you're looking for a new motor. You may even have a cracked block but either way the damage to that cylinder wall makes it not worth fixing.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Sabot15
New User
Dec 28, 2014, 11:44 AM
Post #6 of 7
(1713 views)
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Re: Water in Cylinder
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Well, not the news I wanted to hear, but thanks for the advice.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 29, 2014, 2:23 AM
Post #7 of 7
(1701 views)
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Re: Water in Cylinder
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It's bad news as Hammer said for this engine. Bad enough for the flaws you can't see and when you can see and feel them it's over IMO for that block which to me means the engine.
Now time to find the right and reputable salvage place if you want to keep this longer for a fully checked out perfectly matching used and whole engine - best ones will have results of testing it out right on it printed out. I'm getting old for this crap but when this would happen I would be the sucker to go check engines some on a pallet, some still in a vehicle that was salvaged for another reason totally, best if the problem was in the rear or side IMO. Batting 1,000 on that so far,
T
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