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.

silicon or rubber gasket?

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Old 09-19-2011, 10:41 AM
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But I tell you what, after sliding around on rocky uneven asphalt nothing feels softer than a garage floor
Old 09-19-2011, 10:46 AM
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Tell me about it. My last house had a garage just big enough to fit a minivan in. Opening doors was a bit of a challenge. Floor was cracked and not even close to level. I didn't want to work on anything in there. Now I have a 3+ garage with a smooth even, level floor. Heck ya, much better.
Old 09-19-2011, 11:38 PM
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Took a look around and it didn't take long.. I didn't think the oil pan was leaking near bad enough to lose the quantity of oil I did.

It looks like I have some coolant and oil mixing and then leaking everywhere. Further back you can't see I'm the picture it'* a very light brown which appears to be somewhat thick. What is that? Lower intake?
drats .. Android isn't compatible with the picture attachment window. I'll get it up tomorrow or later tonight
Old 09-19-2011, 11:49 PM
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https://drivehq.com/folder/p8942554.aspx

Workaround...

So I pressure tested the coolant system because that looks like there is definitely coolant in there, but the only place I saw it coming out was the top of the radiator (I'll make a new post for this). I understand it may be an engine hot thing though. Coolant pressure dropped from 16 to about 8 in 25 seconds or so. Not great, but much better than it was.

What am I looking at here?
Old 09-20-2011, 08:52 AM
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Here is the problem:
https://www.gmforum.com/showthread.p...failure&page=2

Here is the fix:
https://www.gmforum.com/showthread.p...19#post1506919
Old 09-20-2011, 03:46 PM
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I'll give this a good read tonight. Sounds do-able. Thanks
Old 09-20-2011, 10:18 PM
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If I'm going to replace the UIM, Does brand matter? AZ has a Dorman for 150 but Amazon has a Delphi for 110. Anything else I should order / special recommendations?
Old 09-20-2011, 10:33 PM
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Have you checked at www.rockauto.com They have good prices.
Old 09-20-2011, 11:00 PM
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Yeah, the total there came out to $135 gaskets included. Autozone would have it to me before the weekend though as I'd really like to get it taken care of.

Amazon is tempting me with the lower price. Gaskets are shown in the picture but not specified if included.. what do you think, included or no?

http://www.amazon.com/Delphi-FH10112-Intake-Manifold/dp/B000IZ2JT2/ref=au_pf_ss_1?ie=UTF8&Model=Bonneville%7C591&n=15684181&*=automotive&Make=Pontiac%7C52&Year=1994%7C1994&carId=002 http://www.amazon.com/Delphi-FH10112-Intake-Manifold/dp/B000IZ2JT2/ref=au_pf_ss_1?ie=UTF8&Model=Bonneville%7C591&n=15684181&*=automotive&Make=Pontiac%7C52&Year=1994%7C1994&carId=002
Old 09-20-2011, 11:06 PM
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Ya, it does show the gaskets, and should include what is shown. But with it not saying gaskets included, it'* anyones guess.


Quick Reply: silicon or rubber gasket?



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