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.

Failed SSEi Intakes 99

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Old 01-05-2006, 02:15 AM
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The valley, gaskets still on (the fog in the lower left is my breath. At least it'* above 0!)

Old 01-05-2006, 02:18 AM
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More Gook, the front is actually worse than this. There is a large deposit of sludge on middle cylinder sitting on the "shelf" just below the ports. I had to pick out the plastic pieces of gasket that didn't come with the rest.
Old 01-05-2006, 02:19 AM
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The gaskets. Never happen to you? Wait and see.

Old 01-05-2006, 02:20 AM
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Underside of lowe intake. Yuck!

Old 01-05-2006, 02:24 AM
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The left one is 10w30 sweetened with antifreeze. The right one is straight 10w30 from the 93 or the D[urango]

Old 01-05-2006, 02:36 AM
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Done for tonight. Tomorrow I have to finish tearing down water pump, heater hoses, valve cover gaskets, and clean everything up. Not sure if I'll get to finish Friday or not, but I hope to at least get the blower bolted down again. Injector and O2 probably won't show till next week. It was about 30-45 min prep time of laying out tools and getting things situated so I have room to work. Tear down was about 2.25 hrs. so far.
Old 01-05-2006, 08:04 AM
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Originally Posted by Anything4APontiac
On the topic of the metal gaskets, the first page thread ends with the owner saying they didn't use them because they weren't right for his car. I talked to the parts store about it today and he said there is a new plastic version out with guide pins and he just sold a set for a newer Montana, but not seen the metal ones yet.
The metal ones are available at the dealer. I linked to that particular thread because it gave you the P/N. Here'* one where the LI gasket was replaced w/metal:

http://www.bonnevilleclub.com/forum/...+intake+gasket
Originally Posted by 93viking
The garage pulled the upper and lower intakes off the car. The top intake gasket was the issue.

I have a friend that works for a local GM dealer so I was able to get the GM revised UIM the UIM gasket TB gasket kit, and lower intake gaskets for $120.00 total. One good thing...the lower gasket is made of some sort of metal and looks to be much better. I'm also having them install a 180 degree thermostat.

P/N: 89017816

I've got a call in to the local dealership here to check on availability (it'* too early for them). I'll let you know what I find.

EDIT: Fixed link and added quote from thread.
Old 01-05-2006, 08:06 AM
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Originally Posted by lash
Originally Posted by Anything4APontiac
On the topic of the metal gaskets, the first page thread ends with the owner saying they didn't use them because they weren't right for his car. I talked to the parts store about it today and he said there is a new plastic version out with guide pins and he just sold a set for a newer Montana, but not seen the metal ones yet.
The metal ones are available at the dealer.

P/N: 89017816

I've got a call in to the local dealership here to check on availability (it'* too early for them). I'll let you know what I find.
$59.65 here locally for the gasket kit, in stock. Verified that it is the new metal one.
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