Another Headlight Question...
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Cadillac STS Forum - 2005 through 2012 Discussion, Another Headlight Question... in Past Cadillac Vehicle Discussion; Does anyone know the part number(s) for the foam gasket seals used on the headlights? I have a bit of ...
  1. #1
    1_bad_cad's Avatar
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    Another Headlight Question...

    Does anyone know the part number(s) for the foam gasket seals used on the headlights? I have a bit of a condensation problem on my driver side headlight after I changed the small inner bulb. The seal lost its shape and now it doesn't fit in properly so I need a new one. Does anyone know if they sell just the seals or am I going to have to use some sort of silicone sealer? Thanks in advance

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    ddalder's Avatar
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    Re: Another Headlight Question...

    If it's the ones I think you're talking about, I don't think you're going to find foam seals. The headlamp assemblies aren't a "serviceable" item (except for replacing the bulbs). Is it the seal on the access cover?

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    Re: Another Headlight Question...

    Yea, its the seal on the access cover on the side of the headlamp closer to the grill. Not the one on the rear of the headlamp. I found out that they sell the actual access covers but I am not sure if they would come with the seals already in them or if I could just buy the seals themself.

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    ddalder's Avatar
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    Re: Another Headlight Question...

    I'm willing to bet that if you buy the access cover you'll get the seal but for this type of part, I'd be very surprised if you could by the seal separately. Rippy could probably confirm for sure though.

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    BaTu is offline Cadillac Owners Enthusiast
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    Re: Another Headlight Question...

    I don't think that's where your water is getting in though....

    The back of the housings are pretty dry, think about it,,, water isn't really flowing back there.

    The fault in leaking housings is the seal between the clear "lens" and the body of the housing itself. That Black, silicone like, seal is what's failed I'm sure (at least it where I, and Many here, have resealed to cure the problem).

    Search "condensation" here for all the posts on this....

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    Re: Another Headlight Question...

    So should I take the black seal off and reseal with a silcone sealer or do I just seal around whats already there?

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    BaTu is offline Cadillac Owners Enthusiast
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    Re: Another Headlight Question...

    Again, LOTS of posts on this with peoples experience doing this can be found using the SEARCH function

    But, no, just resealing the clear portion by applying sealant on top of what's already there. Just going around the entire perimeter should do it.

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    Re: Another Headlight Question...

    Again, if I found the specific answers to my specific questions then I wouldn't have had to make a new thread. But I got it done and hopefully it works. Thanks for your help.

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    galaxy1000 is offline Cadillac Owners Fanatic
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    Re: Another Headlight Question...

    FYI I had a similar problem and it WAS from the foam gasket on the access panel, resealed the panels with silicone and the problem was solved.

  11. #10
    ddalder's Avatar
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    Re: Another Headlight Question...

    In this case, regardless of where the moisture is getting in, since the seal on the cover no longer fits correctly it should be replaced. My preferred choice would be cover replacement, not silicone. This makes it easier the next time the bulb must be replaced. Just my thoughts...

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