I HAVE WATER LEAKING TO MY FLOOR - 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 01-30-2005, 10:28 PM   #1
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Default I HAVE WATER LEAKING TO MY FLOOR

i HAVE WATER BUILDING UP ON MY FLOOR FROM THE RAIN, HOW DO I FIND OUT WHERE THIS IS COMING FROM AND HOW DO I FIX IT, ANY IDEAS?????MY CAR IS A 2000 PONTIAC BONNEVILL SLE
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Old 01-30-2005, 10:29 PM   #2
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Got a sunroof? If so, the drain channels that run down the A-pillar'* might be clogged. Otherwise, check your door seals.
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Old 01-30-2005, 10:29 PM   #3
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Joe, welcome from Alaska! Please put your year and trim level (SE, SLE, SSE, SSEi, GXP) in your signature.

Do you have the sunroof? Where EXACTLY is the water?
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Old 01-30-2005, 10:40 PM   #4
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Welcome, Joe! Randman also gives good advice on leaking seals here:

http://www.bonnevilleclub.com/forum/...698&highlight=
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Old 01-30-2005, 10:43 PM   #5
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Or the bottom edge of the rear window seal, where the rubber meets the glass. Silicone caulking will beat that.
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Old 01-31-2005, 06:55 PM   #6
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Defective butyl seals on the water deflectors internal to the doors is a good possibility. Several members, myself included have experienced probs with water leaking by the water deflectors and wetting the floors.
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Old 01-31-2005, 08:07 PM   #7
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if you dont have a moonroof.......bet 99% that it is the door seals
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Old 02-01-2005, 08:44 PM   #8
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im having the same problem.. anyone have a write up on how to fix the seals

2000 SE
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Old 02-01-2005, 10:18 PM   #9
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ummm. see above....
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Old 02-02-2005, 04:22 PM   #10
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Quote:
Originally Posted by 1993 SLE
if you dont have a moonroof.......bet 99% that it is the door seals
That was the problem on mine. If you looked at the seal where it meets the B pillar at the top, you could actually see through to the interior of the car.

I solved it by getting a section of weatherstrip from a scrap yard, same colour as my interrior. I then removed the entire seal and cleaned the gluing surfaces on the strip and the body where it meets and used GM weatherstrip adhesive to glue it back. I ended up adding almost 2 inches of weatherstrip to each door in order for the seal to actually fit the contour!!!!

No leaks at all now

Cheers,
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