Thread: Water/Moisture on Inside of Tail light

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  1. #1 Water/Moisture on Inside of Tail light 
    GT Level Member Egleone6's Avatar
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    I know I need to replace this, but I am looking at a used one, is there a way to tell if the used one is any better than the one I have?

    Or is there a way to fix the one I have?
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  2. #2 Re: Water/Moisture on Inside of Tail light 
    GTP Level Member 03GPScottyd's Avatar
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    Look for cracks in the back and reseal over existing seal.

    Find new washers to replace the worn ones on the lights.

    If you've got a crack on the back use sealant to cover it; if it's on the front sand the whole taillight, tint with nightshades and then take to an automotive paint shop and have clear sprayed. That will hide the crack and the clear should seal the leak.
    debadged, clear corners, 20% tint, tinted tails, vibrant performance tips, red painted calipers, Fig. grills, autometer guages, PFYC 3 pod A pillar, SLP CAI, 2.5" DP, SD Hood, SD front air damn, Gen I spoiler, 17X8 Borbet Type M rims, engine upgrades soon!
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  3. #3 Re: Water/Moisture on Inside of Tail light 
    GT Level Member Egleone6's Avatar
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    Any easy ways of getting the middle screw out? Or do you have to undo the bolts that attach with the netting in the trunk?
    If my pics are not working, please email me, I may have moved the pics on a different page on Photobucket. Thanks
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  4. #4 Re: Water/Moisture on Inside of Tail light 
    GT Level Member Egleone6's Avatar
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    Here is the pic of my tail and the plastic piece that may be the cause and the insert bolt that may have to be removed. In the second photo, what is that plastic part called? I need a new one and cant find one on the GM Parts list.




    Last edited by Egleone6; 06-06-2008 at 06:34 PM.
    If my pics are not working, please email me, I may have moved the pics on a different page on Photobucket. Thanks
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  5. #5 Re: Water/Moisture on Inside of Tail light 
    GT Level Member Egleone6's Avatar
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    Well I got around to looking at what is my problem. It appears that the plastic piece that fits flat is the problem. Pic 3 is the problem I think. I took all 3 of the bolts/wingnuts off and all three bulbs and about a 1/2 - 3/4 cup of water came pouring out. None from the bulb area, just from the area in front of the bulb. btw, the water was quite warm. I am letting it sit in the sun, I will try to rig it somehow, but knowing that I will have to probably buy a used one.

    Any other ideas? I was thinking of putting some auto sealant over the plastic piece as I get it all secured.
    If my pics are not working, please email me, I may have moved the pics on a different page on Photobucket. Thanks
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  6. #6 Re: Water/Moisture on Inside of Tail light 
    GTP Level Member 03GPScottyd's Avatar
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    I'd go to autozone and get glue all and reseal the spot and then add some extra around the outside edge of the crack. Wait and see if it returns.
    debadged, clear corners, 20% tint, tinted tails, vibrant performance tips, red painted calipers, Fig. grills, autometer guages, PFYC 3 pod A pillar, SLP CAI, 2.5" DP, SD Hood, SD front air damn, Gen I spoiler, 17X8 Borbet Type M rims, engine upgrades soon!
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  7. #7 Re: Water/Moisture on Inside of Tail light 
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    that is exactly how my tail light looks. i know where the water is and what i need to do to fix it, i just need to know how to get the outer most clear plastic piece off so i can clean that off.
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  8. #8 Re: Water/Moisture on Inside of Tail light 
    GTP Level Member 03GPScottyd's Avatar
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    Coat hanger with a papertowel wrapped around it and taped off so it doesn't fall off inside.
    debadged, clear corners, 20% tint, tinted tails, vibrant performance tips, red painted calipers, Fig. grills, autometer guages, PFYC 3 pod A pillar, SLP CAI, 2.5" DP, SD Hood, SD front air damn, Gen I spoiler, 17X8 Borbet Type M rims, engine upgrades soon!
    My Cardomain
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  9. #9 Re: Water/Moisture on Inside of Tail light 
    GTP Level Member 03GPScottyd's Avatar
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    If that doesn't work then use the old swimmers ear trick. Take it off the car, dry what you can, pour some rubbing alcohol inside, swish around to break up water spots, sit in sun so water and alcohol can evaporate.
    debadged, clear corners, 20% tint, tinted tails, vibrant performance tips, red painted calipers, Fig. grills, autometer guages, PFYC 3 pod A pillar, SLP CAI, 2.5" DP, SD Hood, SD front air damn, Gen I spoiler, 17X8 Borbet Type M rims, engine upgrades soon!
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  11. #10 Re: Water/Moisture on Inside of Tail light 
    SE Level Member nathan kilburn's Avatar
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    i just took it off and used a blow dryer and dried the mess out of the moisture and then sealed the cracks so no more mositure
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  13. #11 Re: Water/Moisture on Inside of Tail light 
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    Gonna try the same. Mine have exactly the same problem - 1999 GP.
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  14. #12 Re: Water/Moisture on Inside of Tail light 
    GT Level Member Pursell1911's Avatar
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    lol, resurrecting the 10 year old post! Nice!
    2006 Grand Prix GT - 3" Downpipe | DIY Intake
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  15. #13 Re: Water/Moisture on Inside of Tail light 
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    Quote Originally Posted by nathan kilburn View Post
    i just took it off and used a blow dryer and dried the mess out of the moisture and then sealed the cracks so no more mositure
    I tried all the suggested tricks. Nothing worked. The water is dried out, but now the clear outer shell is cloudy and white in some spots. I also notice a lot of cracks on the top part of the lens. I gave up and ordered new LED ones from RockAuto. BTW, the LEDs are only for the turn/brake lamps. The backup and running lights still use the original incandescent bulbs. So they say in the comments on Amazon.
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