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Truck Camper Shell seal

Discussion in '2nd Gen. Tacomas (2005-2015)' started by manoftheforest420, Sep 8, 2021.

  1. Sep 8, 2021 at 10:11 AM
    #1
    manoftheforest420

    manoftheforest420 [OP] My ride's name is Gladys Friday

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    Hello fellow Tacoma Enthusiasts
    Wondering if someone can help with a camper shell sealing issue
    I have a 2015 Tacoma with box side rail caps. At the front of the box, beneath the rear slider there is no rail cap, but rather a drop down of about 1/2 an inch that runs from one side of the truck rail cap to the other(see pic) 25D16529-9116-467A-9C0D-81A6905E2BBD.jpg 66E32DB5-04EE-49BF-AA99-EA7DBFF5794F.jpg
    So, I purchased a camper shell from ARE, installed by a local camper shell outfitter. The issue is even though the installers put a bulb gasket to fill in this drop down open space to prevent leaks, it leaks like a sieve. I bring truck back and they thought they cut it too short. So they pull it out and put in another. Same issue. Now I want to seal it myself. Does anyone know a good way to fill in this space? Perhaps Toyota makes a better fitting gasket that I am unaware about?
     
  2. Sep 22, 2021 at 9:45 AM
    #2
    joecbkb

    joecbkb Well-Known Member

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    IFL. I have a 2005 with the exact same situation - rail caps on the sides, but not the front of the bed. I just bought the truck and am looking around for a good deal on a camper shell and this exact issue is one I have been wondering about.

    One thought I had, but haven't found an answer to yet: Would it be best to remove the rail caps from the sides before installing the shell? That should level it out all the way around, right? Any reason not to do that?
     
  3. Sep 22, 2021 at 11:12 AM
    #3
    northernnortheast

    northernnortheast New Member

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    JUST got an ARE truck cap on my 2014. Hear a lot of giggling going on, hasn't rained yet. Going to remove cap and plan to put down self sticking weather stripping, thickness dependent upon space needing sealed. Will let you know in a few weeks.

    After reading another post I will apply to underside of cap instead of on rail.
     
  4. Sep 22, 2021 at 11:18 AM
    #4
    JasonLee

    JasonLee Hello? I'm a truck.

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    Butyl tape. RTV.

    Park the truck with the shell on in a dark garage and have someone shine a flashlight between the cab and bed.

    Start shoving butyl tape in the gaps.

    For other spots where it weeps, apply RTV.
     
    Juisebocks and beignet like this.
  5. Sep 22, 2021 at 6:55 PM
    #5
    1980

    1980 Well-Known Member

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    The Dust Bowl
    I used foam backing and a couple of large tubes of clear silicone sealant between my bed and topper shell to stop my leaks. I thought it would only be "temporary" fix but it's lasted for 15 years so far on my '06. It probably would be a hassle if you planned on taking the topper off occasionally though.
     
  6. Sep 23, 2021 at 12:37 AM
    #6
    deanosaurus

    deanosaurus Caveman

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    You'll want this front rail bed seal: https://www.amazon.com/gp/product/B07147Y43J

    It's a quality part and sized specifically for our trucks. You can see the part numbers I used for sealing my cap in post #7 in this thread: https://www.tacomaworld.com/threads/project-cap-acquired.687896/#post-24517586

    I just carefully followed the instructions and everything worked out great, no need to caulk or stuff any gaps.

    FWIW, I'd never tried sealing a shell before and it worked great. I have zero leaks. I can't even get water in with the pressure washer. I think prep was key, and using correctly sized gasket.
     
    Last edited: Sep 23, 2021
    wi_taco, joecbkb, Doublecross and 2 others like this.
  7. Sep 23, 2021 at 7:01 AM
    #7
    BlkDakDave

    BlkDakDave Well-Known Member

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    wi_taco, joecbkb and jack415 like this.
  8. Jan 30, 2022 at 8:28 AM
    #8
    joecbkb

    joecbkb Well-Known Member

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    Thanks for these tips. I found a Snugtop for my 05 DCLB and have managed to get it pretty well watertight thanks to this thread.
     
    BlkDakDave and deanosaurus like this.
  9. Jan 30, 2022 at 8:50 AM
    #9
    muddog321

    muddog321 Well-Known Member

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