Splish splash I was .... - 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 07-01-2004, 09:52 PM   #1
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Default Splish splash I was ....

... wondering is my new ride had a water leak. A heavy downpour this afternoon made it abundantly clear that I did. As some of you know, almost the entire interior has been removed from the car to rid it a very musty smell. I poked my schnaaz in as I got home from work to find that the car smells pretty darn good now. But wait... WTF is that... puddles of water on the floor pans.

There wasn't too much doubt as to the source of the leak. The trunk was almost totally dry so I didn't think it was the rear window so the sunroof was my main suspect. This is what I found after dropping the headliner:

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The drain lines weren't even connected. I wonder how long they have been like that. Well, the lines were checked for blockage as were the front two and reconnected. The front left drain was clogged but the air compressor took care of that.

What'* a little strange though is the front drains are corregated tubes. Thet look just like wire loom but without the split. These drain lines lock in very solid and do not come out. The rear drain lines are standard smooth rubber lines. If you look closely at the pics, the problem was that the lines came out of the ends that connect to the roof. I think before I reinstall the headliner I'm going to use an adhesive to prevent this from happening again.
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Old 07-01-2004, 09:54 PM   #2
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Do yourself a favor, and make sure the tubes are clear of debris, too. Run a stiff piece of copper ground wire (home UFB or UMB wire) or some baling wire through them. That can cause water to back up and drool even if you connect the pillar drains correctly.

Glad you found those while you had it apart. Beats digging into it again in the fall.
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Old 07-02-2004, 12:19 PM   #3
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One other note to this roof problem: The gasket that surrounds the glass on the roof has a gap of 1/4" to 3/8" where the two ends come together. This seems to be a bit large to me. Is this gasket replaceable?

I'll edit with a pic when I get home tonight.
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Old 07-02-2004, 12:38 PM   #4
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That gap in the gasket will be problems down the line, if you cant replace it you could build it up with rtv silicone.
Good find on the roof drains, almost looks like they were taken apart for some reason?
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Old 07-02-2004, 12:38 PM   #5
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Techinfo, bud.
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Old 07-02-2004, 12:47 PM   #6
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Thanks for the heads up, Bill. Exactly what I needed:

Quote:
The part number is 12371670

Quote:
Originally Posted by PontiacDad
almost looks like they were taken apart for some reason?
I asked the seller is the roof leaked cause it smelled so wet. He sain that he had the drains blown out. After seeing the lines disconnected, my theory was that the lines were blown out then.
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Old 07-02-2004, 02:35 PM   #7
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What someone may have done is try to blow debris out of the holes with compressed air.

The sunroof gasket is a snap, but takes a little while. I masked and re-painted the trim around the glass while I had it apart, before installing the new gasket. You need a button pusher to help you align it afterwards.
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Old 07-02-2004, 02:45 PM   #8
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Quote:
Originally Posted by willwren
You need a button pusher to help you align it afterwards.
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Old 07-02-2004, 03:26 PM   #9
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Quote:
Originally Posted by randman1
Quote:
Originally Posted by willwren
You need a button pusher to help you align it afterwards.
Someone to work the sun roof switch back and forth while you adjust the trim?
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Old 07-02-2004, 03:58 PM   #10
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I was going to search through my toolbox all night until I found one of those.
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