Water in trunk and cabin (Edited) - 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 05-08-2006, 02:05 AM   #1
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Default Water in trunk and cabin (Edited)

(95 Bonnie SE w/ spoiler) I've done all the fixes from the other posts, and I'm still having water problems.
The tail lights have all been siliconed to the metal body and I climbed into the trunk and had someone spray it to make sure they were totally sealed.
Still get water.
I used plastic and . . . duck tape to seal all the openings of the trunk including the tail lights, around the latch for the trunk lid everything.
The weather stripping has been replaced to the trunk lid.
I can't think of anything else but I still have water. We got 3 straight days of rain and the spare tire well is full of water. I pulled out the middle passenger seat belt today and its rusted and soaking wet. I assume the pad and the underside of the rear seats are the same way.
Someone PLEASE help! I leave for New York at the end of June and I'd really like this fixed before then.
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Old 05-08-2006, 02:16 AM   #2
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Do you have a power antenna? thats where several gallons of water made its way into my car.


what about a sunroof?
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Old 05-08-2006, 03:25 AM   #3
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Ive got the same problem I dont know whats going on with ive done just about everything you did and I still have the problem too. Somebody suggested checking my wheel wells but they are fine, and im pretty sure the leak is coming from the trunk and just moving into the saets and even my floor in the backseat. Id like to know if anyone has fixed this problem too, and I dont have a sunroof or power antenna.
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Old 05-08-2006, 03:25 AM   #4
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You just made my night.
I do have a power antenna and I never thought about it causing a leak. What did you do to stop the leak around the antenna?
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Old 05-08-2006, 08:30 AM   #5
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A power antenna has a drain tube that should be connected to it and drains out behind the wheel well.

You mentioned having someone spray while you were in the trunk. Where is the water coming in?
Tails?
Trunk seal?
Body seam?

Was this car in an accident where things might not be lined up properly?

The back seat is most likely caused from the trunk.
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Old 05-08-2006, 09:18 AM   #6
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Other than the tails, the most common leak point on a 92-99 is the back window seal. Where the glass meets the rubber at the bottom of the window. Put a small bead of clear or black silicone sealant at that union. Go up about 6" on each side as well.

The water runs down the glass, gets into the seal, and wicks up under into the trunk. It drips down, fills the spare tire well, then overflows into the back seat.

If you have a sunroof drain overflow or leak, it will NOT fill the spare tire well.
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Old 06-12-2006, 01:07 PM   #7
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I'm 100% certain the damage is from the wheel well hole. There is too much evidence that supports it. The slopes in the sheet metal in the trunk, the dirt build up and dirt trails. The damage is a lot worse than I thought. I'm going to get some auto body quotes today. I'm expecting this to be an expensive repair.



Outside


Inside. Strut appears to be fine, no rust damage.


Dirt under the seat (and enough change for Taco Bell) Guess this is the reason why my car smelled so gawd aweful on the inside.

Going to Toyota (formerly Pontiac) to get a quote. Then off to a couple body shops and then to Snell (New Pontiac). So far the lowest quote I got is $92, the highest $160. I think now that its all visible it'll be a bit more. :(

Thanks for all your help. I wasn't even expecting to find this hole. It was pretty well hidden.
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Old 06-12-2006, 01:25 PM   #8
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atleast you found where its coming from! i havent seen anything like that before!
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Old 06-12-2006, 04:15 PM   #9
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Every auto body shop said the exact same thing. They've never seen a Bonneville rust like that before.
Every one of them said it will last about 2 years. The rust is too close to the rear strut.
So my Bonneville is pretty much a gonner. One auto body shop said save your money, go to Autozone and fix it yourself and either sell it or drive it until the strut gets damaged.
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Old 06-13-2006, 05:32 AM   #10
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Quote:
Every auto body shop said the exact same thing. They've never seen a Bonneville rust like that before.

.
I have the same rust under my rear right, not as much leakage, but i caught mine early
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