Do all 1992 to 1999 bonnevilles have water leaking problems? - Page 3 - 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 07-08-2005, 11:07 AM   #21
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The ONLY leak I had was where the rear window meets the lower seal. There was a TSB on this at one time. I fixed it in 2 minutes. Never had a leak since.
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Old 07-08-2005, 11:11 AM   #22
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I did have a leak where the front passenger door'* weather stripping had come loose from the b-pillar and carwash pressure hit it. Easy enought to fix.

Other than that, I have a little bit of staining near sunroof drains. I rarely notice it, and have never seen it wet myself. Maybe it was a problem the previous owner fixed, but I didn't notice the staining till I had the car for 2 1/2 years.
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Old 07-08-2005, 11:12 AM   #23
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Quote:
Originally Posted by Kennginn
Quote:
Originally Posted by toastedoats
im convinced every bonneville ever made either leaked, leaks or is about to start leaking water in from somewhere
its so sad but its true i wonder has anyone on the forum not have a leak anywhere???
never in both the 95 or 97 that I own.
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Old 07-08-2005, 11:13 AM   #24
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Quote:
Originally Posted by willwren
The ONLY leak I had was where the rear window meets the lower seal. There was a TSB on this at one time. I fixed it in 2 minutes. Never had a leak since.
Bill...the TSB you mention, was that for your year only or does that apply up to 95? I do have a slight moisture issue in the trunk area...thinking maybe this could be the culprit.
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Old 07-08-2005, 11:27 AM   #25
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has anyone had a leak at the windshield at all??? i will take pics to show u all where its coming from
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Old 07-08-2005, 12:03 PM   #26
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Interesting thread...

I've never had a water leaking issue in my 99. And when I had my 93, never had one issue with that either. I'm with Dame...my only water leaking issue is from people who have left the windows down in a rain storm.

I will say that my 87 was TERRIBLE!! It leaked water terribly around the windshield and all the windows leaked!
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Old 07-08-2005, 03:33 PM   #27
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Only leaks I ever had was when those dang moon roof drains clogged with leaves.
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Old 07-08-2005, 07:11 PM   #28
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I spent yesterday afternoon trying get the mildewy smell out of my trunk. I guess maybe I'll attempt to fix the passenger door moldin, since I get puddles there too, and it sounds easy. But in short, yes it'* a leaky mo fo. I still love it though.
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Old 07-08-2005, 10:46 PM   #29
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I've NEVER had a leak in my bonneville. Now the rear left window has some wind noise (which is irritating) but no leaks. Even with my windshield cracked and damaged, it'* still not leaking!
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Old 07-10-2005, 05:02 PM   #30
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Quote:
Originally Posted by randman1
There was one good rain gutter on the 97 donor car that I removed to put on the 93. I noticed that there was an extra strip of foam tape applied along the same line that I applied the rope caulk. I'm not sure what year GM began putting this tape but it seems that it has helped quite a bit. Most of the cabin leaks I read here are in 95 or older.

My 90 is bone dry. Not a bit of evidence of a leak. I like the way the doors actually close under the roof.
My 91 ia also Bone dry.... Never a single issue with leaks.... The 95 is making me want to brun the car to the ground

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