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Stupid fogs, stupid water..

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Dr. Pepper, Jun 23, 2010.

  1. Jun 23, 2010 at 6:05 PM
    #1
    Dr. Pepper

    Dr. Pepper [OP] Well-Known Member

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    Okay, so like a month ago I noticed some condensation:water, in one of my fog lights. I took the light out, cleaned it and let it dry then silconed the edge pretty damn good. Well about a week later, it rained, and the same thing happened. Repeated the same process going around the edge again..making sure I get every spot! So a few days ago, it rained again (yes, florida weather!) and guess what, more water:condensation! And I have no clue where its coming from...so my question is, could it be coming from where the bulb goes in itself? I don't see how water can get in there but I don't see any other way for water to get in there...lol. Any help or someone that has been through this would be great. Thanks guys...this is bothering me big time! :confused:
     
  2. Jun 23, 2010 at 6:25 PM
    #2
    ppham444

    ppham444 Well-Known Member

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    Well, if you sealed the edges, the only other place is where the bulb goes in. Check around that area. Maybe you have have a crack on the housing somewhere. Give it a good inspection and update us on what you find.
     
  3. Jun 23, 2010 at 6:28 PM
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    Finks99Taco

    Finks99Taco Well-Known Member

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    I too live in FL with all the rain but I haven't had any problems with mine (even though one of them doesn't look like it's sealed up all the way)

    But I agree with ppham444, if it's not the bulb, I'd blame housing.
    Not many more possible openings unless you have a hole in your lens...
     
  4. Jun 23, 2010 at 6:46 PM
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    Dr. Pepper

    Dr. Pepper [OP] Well-Known Member

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    Yeah, it has to be the bulb. I thought I was going crazy. Now, lets say it is the bulb...how do i seal that up?
     
  5. Jun 23, 2010 at 6:53 PM
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    Finks99Taco

    Finks99Taco Well-Known Member

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    Silicone?
     
  6. Jun 23, 2010 at 7:33 PM
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    Trap

    Trap Well-Known Member

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    How is that bulb sit in there? Is there any kind of rubber seal or is it just plastic on plastic?
     
  7. Jun 24, 2010 at 12:38 AM
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    gustorecoil

    gustorecoil Member

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    I live in Miami and I just got my fog change at dealer. The dealer didn't want to change it because it's not under warranty but they did it for free. The tech. guy told me that these lights aren't sealed from water. Since the fog are vented there is no way to seal them.
     
  8. Jun 24, 2010 at 12:40 AM
    #8
    Krazie Sj

    Krazie Sj Resident Jackass

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    Silicone will eventually degrade with repeated contact with water. Find something else to seal it with.
     
  9. Jun 24, 2010 at 6:10 AM
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    Dr. Pepper

    Dr. Pepper [OP] Well-Known Member

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    Alright guys, I'm going to mess with it today. Ill try to find something else other then silcone to seal it with. And I'm pretty sure theres no rubber between the bulb and the socket...maybe thats my problem. And I'll check for that "breather" also. Thanks for all the help guys!
     
  10. Jun 24, 2010 at 6:42 AM
    #10
    Caddmannq

    Caddmannq MotoNerd

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    WHAT?

    I have an aquarium sealed with silicone which hasn't leaked in 20 years of continuous use!

    25 years ago I designed silicone-sealed window systems for high-rise buildings. I guarantee you they've been subjected to repeated contact with water, and they virtually never leak.

    GE supplied most of the silicone, and guaranteed the sealant for 20 years.

    When I drew the initial glazing system proposals for the Biosphere Dome project, the owners demanded a 100 year guarantee against leakage. Guess what sealant was chosen? Silicone.

    One of the big problems with space suits is that human beings sweat, and they constantly exhale water. Guess what sealant they use?

    Silicone.

    Now all that being said, there are two things that will usually always lead to premature sealant failure (and this is true of all sealants and not just silicone.)

    One is an incompatible substrate. The objects being sealed must be chemically compatible with the sealant. Not all silicones are the same. Some react chemically with certain kinds of synthetic rubbers and plastics, and deteriorate over time.

    The second is contamination of the substrate. The surfaces to be sealed must be completely clean and dry. The slightest bit of oil or moisture will ruin the bond for many adhesives.

    Most silicone cures instantly upon contact with water. If you apply it to a damp surface, or one which is porous and has absorbed some water, it will not bond correctly.
     
  11. Jun 24, 2010 at 6:43 AM
    #11
    yosh2000

    yosh2000 Well-Known Member

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    this...:thumbsup:
     
  12. Jun 24, 2010 at 9:04 AM
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    Dr. Pepper

    Dr. Pepper [OP] Well-Known Member

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    Now that everyone knows the low down on silcone...lol
     
  13. Jun 24, 2010 at 9:23 AM
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    Caddmannq

    Caddmannq MotoNerd

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    Hey, you'd pay good money for that kind of education elsewhere. ;)
     
  14. Jun 24, 2010 at 11:52 AM
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    Dr. Pepper

    Dr. Pepper [OP] Well-Known Member

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    Haha very true man.

    Well while washing the truck today I decided to spray water to the fog light, as I sprayed water I payed attention to see if I could see where it was coming from and sure enough water dripped down from the bulb. So I got home and took a rubber ring from some other fog lights laying around and put that between the bulb and the socket and it was a tight fit! I'm pretty postive there will be no more leaking! Thanks again for all the help guys!
     
  15. Jun 24, 2010 at 11:57 AM
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    Cars0n`

    Cars0n` Well-Known Member

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    could be the air inside condensing when it gets colder (when it rains) and when that condenses it makes water droplets.

    same principle with clouds
     
  16. Jul 11, 2010 at 6:36 PM
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    Krazie Sj

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    I thought it was a certain type of silicone that does well with water?

    I'll defer to the master though. :bowdown:
     
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