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Best Sealant for BHLM?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by JasonJump, Feb 24, 2011.

  1. Feb 24, 2011 at 3:26 PM
    #1
    JasonJump

    JasonJump [OP] Well-Known Member

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    I can't find the 3m beed window sealant here in town. Any other suggestions? I am about to do the BHLM and want to make sure I get a good sealant so I don't get any leakage!! what about this stuff

    sealant.jpg
     
  2. Feb 25, 2011 at 6:09 AM
    #2
    Bama_TACO

    Bama_TACO ROLL TIDE!!!!!!!

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    I used Martin Senour windshield seal butyl tape. I really like it because it wasn't messy. 3m window weld is the same product. Did mine back in September and have had no fogging or leaks.

    [​IMG]
     
  3. Feb 25, 2011 at 6:12 AM
    #3
    maser

    maser Hello, my name is Maser... and I'm an alcoholic

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    I used GE silicon II or III, the all weather/waterpfoof one. Works well.....takes some time to set-up tho.
     
  4. Feb 25, 2011 at 6:13 AM
    #4
    Bama_TACO

    Bama_TACO ROLL TIDE!!!!!!!

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    That was one thing I liked about the butyl tape. I put the lights together and immediately put them on the truck. No set up time.
     
  5. Feb 25, 2011 at 6:39 AM
    #5
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    I'd wait and find the window weld... I wouldn't want some RTV silicone to be the only thing sealing up my lights. That stuff is good as an extra measure on the outside of the lights once they're assembled. Just my $0.02, do it right because it's a pain in the ass to do it over if they leak.
     
  6. Feb 25, 2011 at 6:40 AM
    #6
    JasonJump

    JasonJump [OP] Well-Known Member

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    Hey bud where did you get this stuff? Thats what I've heard to use, did you have to heat it back up after applying it so it would mesh together? Thanks
     
  7. Feb 25, 2011 at 6:42 AM
    #7
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Auto parts stores, advanced, autozone, etc. I thought that was the stuff you said you couldn't find? :confused:

    That stuff you need to heat up before the lights go back together.
     
  8. Feb 25, 2011 at 6:56 AM
    #8
    Bama_TACO

    Bama_TACO ROLL TIDE!!!!!!!

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    I bought mine at NAPA. I didn't heat it up before I put it back together, but it was warm weather. If it were really cold I might heat it up a little. And I'm not saying that silicone won't work well, I just didn't use it for my retrofit. There are plenty of people that swear by the silicone sealant.
     
  9. Feb 25, 2011 at 7:02 AM
    #9
    JLink

    JLink Well-Known Member

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    Use the 3m window weld butyl stuff and viet's bhlm write up. You won't have a problem
     
  10. Feb 25, 2011 at 7:02 AM
    #10
    pudge151

    pudge151 Well-Known Member

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    permatex RTV silicone sealant, looks very similar to the pic you posted on post #1
     
  11. Feb 25, 2011 at 7:09 AM
    #11
    macgyver

    macgyver Well-Known Member

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    I just re-used the factory sealant/adhesive. Then run a bead of Clear silicone around the seam and work it in with your finger. Make sure you wear gloves and have plenty of paper towels handy. The silicone is messy. This is what I have done on all the BHLM's I have done (I have done a lot of them). No leaks or condensation.
     
    amora9912 likes this.
  12. Feb 25, 2011 at 9:03 AM
    #12
    JasonJump

    JasonJump [OP] Well-Known Member

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    Guessing you obviously have to heat the OEM silicone back up before pushing back together? Thanks everyone for the replies!!! I am going to attempt this in the next couple of days, BTW is no one sanding/priming the housing before painting it? Seems like it won't hold to well
     
  13. Feb 25, 2011 at 12:05 PM
    #13
    macgyver

    macgyver Well-Known Member

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    Yep I stick the lens back to the housing. Put it in the oven for another 3-4 minutes. Then take it out and squeeze back together. Then put the screws back in.

    No need to sand the housing. Start out with very light coats (almost a dusting) Then slowly build it up. I have done many many BHLM's and never had any chip off because I didn't sand before I painted.
     
  14. Feb 25, 2011 at 1:08 PM
    #14
    dgr540

    dgr540 I've got the FUNK

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    I used this too and I have no fogging at all. I did apply it then heated it before bonding the 2.
     
  15. Feb 25, 2011 at 3:42 PM
    #15
    Rocketball

    Rocketball If The World Didn't Suck, We'd All Fall Off

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    I just pushed the factory sealant back into the grooves. Been over a year and no problems.
     
  16. Feb 25, 2011 at 3:52 PM
    #16
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    Windo weld is what you want.
     
  17. Feb 27, 2011 at 12:29 PM
    #17
    JasonJump

    JasonJump [OP] Well-Known Member

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    I think thats what I'm going to try, and maybe put a beed of sealant around that to make sure, Thanks!
     
  18. Jun 3, 2011 at 7:49 PM
    #18
    tacomian devil

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