leaking taillight - 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 10-26-2007, 01:35 PM   #11
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Here are some pics of a SE tail










As you can see, the lens and the base are melted togather to make one piece. The only way possible that I can see for water to get inside without the light being cracked or broken is the two small holes in the fifth picture. Other then that, the light would pretty much have to have a crack in it or be seperated where it is melted togather.


Oh, by the way Jason, what piece do you need? is it the small harness on the light with the sockets, or part of the main harness? I have either one I also have a full set of SE tails that look good, but have a few broken studs....
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Old 10-26-2007, 01:43 PM   #12
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yup and where the lens and base are melted together i bet he has a crack or a space there somewhere and its leaking.
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Old 10-26-2007, 01:45 PM   #13
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Quote:
Originally Posted by bandit
yup and where the lens and base are melted together i bet he has a crack or a space there somewhere and its leaking.
That is what I am thinking also
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Old 10-26-2007, 02:19 PM   #14
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TheDude, Take off your tail light thats leaking and look around that edge that Crash posted, See if there is any cracks...
Either way i would still take some silicon or some goopy sticky stuff and seal around the whole edge and see if it fixes it.
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Old 10-26-2007, 08:13 PM   #15
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There are no cracks as far as I can see. It does look like the lense MAY be seperated slightly from the base. But, its hard to tell for sure. The blinker area is the only part that fill with water, over a cup. It causes the socket contacts to rust and my blinker stops working. I can clean the contacts and get it working until the next big rainstorm

Ryan, I need the pigtail harness that clips to the main harness and has the 3 sockets on it. The blinker socket got damaged from the water and I cant find a replacement to wire in. I want to get out to your place to get that, but things have been nuts down at the shop the last month though. It was just me and the manager working for a few weeks (we fired the other 2 techs). I got promoted to Assistent Manager and have been putting in 65hr weeks for the last month. No time for anything. But I definately still want that harness.
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Old 10-26-2007, 09:46 PM   #16
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Quote:
Originally Posted by TheDude
There are no cracks as far as I can see. It does look like the lense MAY be seperated slightly from the base. But, its hard to tell for sure. The blinker area is the only part that fill with water, over a cup. It causes the socket contacts to rust and my blinker stops working. I can clean the contacts and get it working until the next big rainstorm

Ryan, I need the pigtail harness that clips to the main harness and has the 3 sockets on it. The blinker socket got damaged from the water and I cant find a replacement to wire in. I want to get out to your place to get that, but things have been nuts down at the shop the last month though. It was just me and the manager working for a few weeks (we fired the other 2 techs). I got promoted to Assistent Manager and have been putting in 65hr weeks for the last month. No time for anything. But I definately still want that harness.

Sweet

Don't worry, the harness isn't going anywhere :P
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Old 11-13-2007, 02:15 AM   #17
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I had this exact same problem.

Take out the lenses, check them for cracks along the seams where they are "melted together. Seal as necessary with silicone.

I also put a bead of silicone along the mating area where the tail meets the trunk, and a drop or so on each nut just to make sure all is well.

Leak free for 2 years!!!
Bob
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Old 11-13-2007, 09:04 AM   #18
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Quote:
Originally Posted by bobfather99
I had this exact same problem.

Take out the lenses, check them for cracks along the seams where they are "melted together. Seal as necessary with silicone.
He'* already ruled that out.

Quote:

I also put a bead of silicone along the mating area where the tail meets the trunk, and a drop or so on each nut just to make sure all is well.

Leak free for 2 years!!!
Bob
Sealing the weatherstripping to the back of the car during installation is typically my #1 suggestion for water in the lights. I've done this on both of my cars. Just along the top and partway down the sides on the FACE of the weatherstrip, a small bead of sealant just before you put the lights back in the car.
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