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.

The Great Flood and Noah, take Two

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Old Dec 2, 2004 | 01:06 PM
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Default The Great Flood and Noah, take Two

A month or so ago I posted about the rear of my '95 SSEi filling up with water and you guys told me about the unplugged drain tubes.

Are there matching ones up front along the windshield pillars?

If not what other roof top drains are there that could be leaching water into the front of the car. Mine does have the moonroof.
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Old Dec 2, 2004 | 01:37 PM
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yea there are front drains that go down the A pillars. There have been a few that have had the back window leak around the seal
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Old Dec 2, 2004 | 02:41 PM
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Dude the floor carpet in the back of my car had huge puddles a couple of weeks ago and now they are just damp. Is this a similar problem?
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Old Dec 2, 2004 | 06:12 PM
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Default The Flood

I have been told that this is a common Bonneville problem for the rear drains. There are two tubes in the ceiling that then connect with a second tube near the rear window and direct the water down the C pillar. Where those two tube connect is the root of my first problem, as they were completly unpluged and filling the back of my car with water (starting under the rear seat).

The new problem is the front drains so it seems on my car. I am taking it to get the headliner replaced so while they have it down I will do some sealing and make sure all the drain tubes are functional.

Thanks
M. Tyler
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Old Dec 2, 2004 | 06:15 PM
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Originally Posted by CmptrNerd
Dude the floor carpet in the back of my car had huge puddles a couple of weeks ago and now they are just damp. Is this a similar problem?
do you have a moonroof??

I know of another problem area
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Old Dec 2, 2004 | 10:27 PM
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No moonroof on my car. So do I have to pop off the C pillar in order to see the tubes? I changed my rear dash to a premium speaker dash a while back and had the C pillars off so maybe I did something wrong.
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Old Dec 2, 2004 | 10:40 PM
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Originally Posted by CmptrNerd
No moonroof on my car. So do I have to pop off the C pillar in order to see the tubes? I changed my rear dash to a premium speaker dash a while back and had the C pillars off so maybe I did something wrong.
If you have no sunroof, you don't have the drains, because you don't need them. You are probably leaking at the rear window seal. At the bottom, where the rubber meets the glass. Run a thin bead of silicone sealer along there. Either black or clear. Clear fixed mine
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