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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 11-09-2004, 02:14 AM   #11
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Ok, lol, I'm still confused... are you telling him he should just put some gasket maker on the existing gasket to repair it or actually swap out the gaskets? I was thinking if the UIM gasket was failing he should go ahead and put a new one on. Sorry if I'm needlessly complicating here.
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Old 11-09-2004, 02:28 AM   #12
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Quote:
Originally Posted by big_news_1
Ok, lol, I'm still confused... are you telling him he should just put some gasket maker on the existing gasket to repair it or actually swap out the gaskets? I was thinking if the UIM gasket was failing he should go ahead and put a new one on. Sorry if I'm needlessly complicating here.
If the leak is coming from there, There is no gasket to go buy. You just have to buy a tube of gasket maker. It'* kind of a weird way to assemble things, This is why GM says to never seperate the UIM from the LIM unless repairing the mating surfaces or replacing one of the components.
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Old 11-09-2004, 02:59 AM   #13
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So like now you guys are making it sound simpler and simpler and I may seriously consider fixing it. Will this job take like a whole day for a hardcore amateur or will my car be out of commission for at least two days or more? I dont have a job or anything so working on this car wont be a hassle as far as getting it done goes I just want to make sure it'll be up and running in the same week. I'll probably get my dad to help me just so he can supervise I guess and maybe loosen a few bolts or whatever. Also what kind of bolts are holding it together and will I be needing any special tools? Thanks guys for taking the time to help me with this costly problem.
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Old 11-09-2004, 03:02 AM   #14
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Quote:
Originally Posted by Damemorder
Quote:
Originally Posted by big_news_1
Ok, lol, I'm still confused... are you telling him he should just put some gasket maker on the existing gasket to repair it or actually swap out the gaskets? I was thinking if the UIM gasket was failing he should go ahead and put a new one on. Sorry if I'm needlessly complicating here.
If the leak is coming from there, There is no gasket to go buy. You just have to buy a tube of gasket maker. It'* kind of a weird way to assemble things, This is why GM says to never seperate the UIM from the LIM unless repairing the mating surfaces or replacing one of the components.
Oh and it doesnt look like its coming from where the UIM and LIM connect, its like coming from where the LIM connects to the block, unless coolant doesnt run through there. From the front view of the engine I just see a tad bit squeezing out from right above the head covers but its obvious that its coming from the LIM. When I look at the block right under the TB and above the Tranny its wet with coolant.
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Old 11-09-2004, 03:08 AM   #15
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Sounds like LIM Gaskets to me. Not very hard, Took me a Friday evening and a Saturday to replace. It'* like... $50 in parts or so. I know I did a thread where I listed out the problems I had.... Lemme find it.
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Old 11-09-2004, 03:18 AM   #16
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http://www.bonnevilleclub.com/forum/...highlight=fuel
http://www.bonnevilleclub.com/forum/...hlight=gaskets

There we go.

Now all we have to do is get a second opinion on this one before you start any work.[/url]
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Old 11-09-2004, 04:29 AM   #17
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Cool, thanks! So what is it exactly that I have to take off? Can you maybe give me some simple steps on what has to come off and what needs draining and in what order and maybe what tools I will need? Thank you
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Old 11-09-2004, 11:58 AM   #18
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Quote:
Originally Posted by Damemorder
If the leak is coming from there, There is no gasket to go buy. You just have to buy a tube of gasket maker. It'* kind of a weird way to assemble things, This is why GM says to never seperate the UIM from the LIM unless repairing the mating surfaces or replacing one of the components.
Ok, I can't just let this go without getting my head straight... are 93s and 97s different? Because I just replaced the gasket between my LIM and UIM... are we talking about the same thing here???

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Old 11-09-2004, 02:56 PM   #19
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Hey that stuff looks good enough to eat!
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Old 11-09-2004, 03:06 PM   #20
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Quote:
Originally Posted by big_news_1
Quote:
Originally Posted by Damemorder
If the leak is coming from there, There is no gasket to go buy. You just have to buy a tube of gasket maker. It'* kind of a weird way to assemble things, This is why GM says to never seperate the UIM from the LIM unless repairing the mating surfaces or replacing one of the components.
Ok, I can't just let this go without getting my head straight... are 93s and 97s different? Because I just replaced the gasket between my LIM and UIM... are we talking about the same thing here???

The picture is parts for a L36, not L27. The Series II (L36) went into production in 95. Series I (L27) ended in 94. So, yes, talking about two different engines!
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