Bonnieville died! Please help! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-08-2008, 02:56 PM   #11
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Hard to see anything on there, the ground probe blocks everything.
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Old 11-08-2008, 03:18 PM   #12
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Old 11-08-2008, 03:22 PM   #13
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Originally Posted by Danthurs View Post
That is possible, but I would suspect the head gasket. I wouldn't expect only one cylinder to fill up with a LIM/UIM gasket failure.
#1 plug was also wet but I didn't see anything come out of the cylinder.
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Old 11-08-2008, 03:22 PM   #14
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That 2nd last plug looks nasty. Is that the one from #4? I really think you have a bad head gasket. Need Billboost to have a look and give his opinion. If it is then this will be a good time to replace the LIM gaskets at the same time. Do you have a shop and tools to do this yourself?
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Old 11-08-2008, 03:26 PM   #15
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since the intakes have to come off anyway, I'm going to get started. I will check back to see if anyone'* posted or hopefully, give an update. Thanks for your help.
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Old 11-08-2008, 03:29 PM   #16
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Do you have access to a compression tester? That will tell you for sure if it'* the head gasket. #4 will not have much pressure.

Take pictures of your gaskets.
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Old 11-08-2008, 07:39 PM   #17
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Danthurs---that'* plug 5. I'm going to upload a couple of picks in a minute.
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Old 11-08-2008, 08:11 PM   #18
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Have coolant everywhere. There is gasket material on drivers side end but i can't tell where gasket failed yet. I can't do a compresson test because the engins won't turn over. Battery seems ok but I need to check connections.
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Old 11-08-2008, 11:15 PM   #19
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What is the tube for that clip into the gasket? Also, I understand that the coolant flows through the intake & exits the other end ( but I don't know what route it takes). I don't understand why there is oil. Where does it come in & go out?
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Old 11-10-2008, 10:57 PM   #20
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I'm going to get an APN manifold kit. I can rotate the engine by turning the crank so it'* not locked up. I just hope the head gasket is OK.
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