Water leak?? - Page 2 - 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 06-11-2003, 07:13 PM   #11
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I'm sure the dealer can fix the leak(*) for you, but I did it myself. I removed the weatherstrip seal around each of the 4 doors, applied clear silicone RTV sealant on the metal edge, then carefully reinstalled each seal and made sure that it was pressed-on as far as it could go. The junction of each seal then had a gap (because each seal had shrunk in length), and I installed each one so the gap was in the middle of the bottom edge and filled the gap with silicone and covered the gap with a piece of rubber tape. After it set up for a little while, I applied a small amount of sealant to the outer perimeter of each entire installed weatherstrip. It took several hours, but it was successful and should never have to be done again.

Good luck.

It'* too bad the seals weren't bonded to the door openings at the factory - that would have prevented them from shrinking and causing the leaks in the first place.
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Old 06-11-2003, 08:04 PM   #12
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I had the same problem last year. The drain hoses from my moon roof were disconnected on both sides. After tightening the plastic trim around the door frames and a week of trial and error, this was the problem. PITA!!!!! I had to take my whole back seat out since it was soaked too.

Muslimsteel, you might want to check the bottom of your back seat. If it'* soaked it'll never dry unless you take it out (and fix the leak of course) Good luck.
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Old 06-11-2003, 10:46 PM   #13
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another thing to check is your rear wheel wells.. those have a habit of leaking on the Bonneville'* too..
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Old 06-15-2003, 11:41 PM   #14
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update on this leak thing.....it has torrentially(if thats a word) rained like the past two days and i was driving in it both times....checked the floor and its perfectly dry...weirdness oh well hopefully it wont come back thanks for ur help thou
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Old 06-16-2003, 03:45 AM   #15
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So what was it? Was it the hoses? Well hope it'* fixed. I haven't had a drop of rain leak since. But if it ever does leak again, we'll most likely know what the problem is.
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