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#1
12-27-2014, 11:19 PM
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Coolant in Cylinder??
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 probably the lower intake manifold gasket that was had failed, 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 pure coolant could get directly from the jacket journal to the intake journal. I am assuming then, that this MUST be a head gasket failure, or a cracked head. Is that correct? Thanks! 
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#2
12-28-2014, 06:08 PM
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Re: Coolant in Cylinder??
coolant in the cylinder pretty much always means head gasket.
__________________
Dr. Disque - Current cars: 2008 BMW 135i M-Sport 2011 Mazda2 Touring Past cars: 2007 Mazda 6S 5-door MT 1999 Ford Taurus SE Duratec
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#3
12-30-2014, 09:20 PM
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Re: Coolant in Cylinder??
9 out of 10 times, when there is a head gasket leak, it cylinder #1......if coolant comes out of the spark plug hole, it's the head gasket, or worse case scenario the head.....you will usually see separation in the gasket if that is the problem......the head should be sent out to be checked.....
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