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2017 Tacoma bed rail gap leaking camper shell

Discussion in 'Technical Chat' started by mop, Nov 5, 2017.

  1. Nov 5, 2017 at 7:04 AM
    #1
    mop

    mop [OP] New Member

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    Hello,
    So I recently bought a 2017 Tacoma sport to replace my 98 Tacoma. I had a new leer shell installed and we discovered that the two front bed rails have a 1" gap between the cab rail and side rails. So this is still exposed when the shell is installed. The installers used urethane and silicone which did not work it still leaks. Has anyone encountered this issue, and has anyone solved this issue yet? Thanks guys!!IMG_2516.jpg IMG_2515.jpg
     
  2. Nov 5, 2017 at 1:06 PM
    #2
    Simon's Mom

    Simon's Mom Wag More Bark Less

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    welcome to TW :wave: I hope someone will chime in to help you out...
     
  3. Nov 5, 2017 at 1:11 PM
    #3
    JdevTac

    JdevTac Bawnjourno

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    Neoprene Foam tape/foam strip slightly thicker than the gap wedged in there? And maybe for overkill some silicone over the foam?
     
  4. Nov 5, 2017 at 4:38 PM
    #4
    RichVT

    RichVT Well-Known Member

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  5. Nov 12, 2017 at 7:24 PM
    #5
    atxboug

    atxboug Well-Known Member

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  6. Dec 5, 2017 at 3:47 PM
    #6
    nwAdamR

    nwAdamR Well-Known Member

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    Did the same thing... except your butyl work is much better than my butyl work. I'll put a couple more layers above the top before I set the canopy back on.
    Butyl.jpg
     
  7. Jul 26, 2018 at 12:21 PM
    #7
    RicZ

    RicZ Member

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    Adam, has your mod been successful? I have the same problem. Plugs don’t sound like they work.
     
  8. Jul 26, 2018 at 1:33 PM
    #8
    nwAdamR

    nwAdamR Well-Known Member

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    Yessir. Butyl worked good! (Plugs did not work.) Not the prettiest solution, but it works well!
     
  9. Nov 18, 2018 at 7:54 AM
    #9
    mattylmbr

    mattylmbr Well-Known Member

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    @nwAdamR did you do anything (like silicone) under your plastic side bed rails before putting the cap on?

    And - if not - any issues with leaking on the rails?

    Having a leer cap installed next week - the installer already uses the butyl tape at the front bed rail - but - wondering if the plastic side rail covers need anything. Any response appreciated.
     
  10. Nov 18, 2018 at 1:48 PM
    #10
    RicZ

    RicZ Member

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    I followed the suggestions and used buytl rubber. I added additional rubber to the corners from inside the shell as ther was still some leakage from the suggested fix. By forming some extra rubber in my hands and stuffing it into the corners directly under the head rail I was able to some all the leaking. Sorry I don’t have any pictures.

    RicZ
     
  11. Nov 19, 2018 at 6:05 PM
    #11
    Wvustew

    Wvustew Member

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    You guys are awesome. I’m fighting this exact problem; just got my Leer 180 installed and it leaked pretty bad after sitting in my driveway through a mild rain shower. I’m taking it back to the installer and we’re going to try the butyl rope trick. I’m thinking the water is coming in through that stupid gap in the bed. The installer rolled up some pieces of foam, wedged it in the gap and called it good.

    It makes me feel a little better that other folks have this same issue. I’ll post updates as they happen.
     
  12. Nov 20, 2018 at 9:15 AM
    #12
    nwAdamR

    nwAdamR Well-Known Member

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    The only source of leaking was in the front corners' gaps. No leaking from the side rails. I used foam adhesive for the sides and front. Butyl for the front corner gaps.
     
    mattylmbr likes this.
  13. Apr 27, 2020 at 5:21 AM
    #13
    Gorgtem1

    Gorgtem1 New Member

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    I bough additional EPDM seals for this silly front rail gap and reinstalled the camper myself but i noticed it leaked again after a mild rain. The only long term solution, in my opinion, would be if camper manufacturers made the same overhang lip they make for the sides for the front as well. It would prevent water from getting in that way and let it roll right off. All else is temporary
     
  14. Jul 1, 2020 at 1:08 PM
    #14
    lag7

    lag7 Well-Known Member

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    Has this solution held up long term? Just looking for an update. Also is the butyl rope exposed on the top still sticky as I don't need it sticking to my cover's seal?
     
  15. Jul 1, 2020 at 1:12 PM
    #15
    atxboug

    atxboug Well-Known Member

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    It has worked well long-term; it is sticky, but can be removed easily.
     
  16. Jul 1, 2020 at 1:25 PM
    #16
    lag7

    lag7 Well-Known Member

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    Thanks do you think it is sticky enough to adhere to a rubber seal?
     
  17. Jul 1, 2020 at 5:35 PM
    #17
    atxboug

    atxboug Well-Known Member

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  18. Jul 4, 2020 at 5:28 PM
    #18
    lag7

    lag7 Well-Known Member

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    So I worked most of the day on the "seal as much as I can project" on the bed. Here is what I used. I have the diamondback SE cover. Did I ever learn a thing or two today!! So I used the butyl tape shown below. Yes it worked. I sealed the gaps. Then painted the top with black paint so it wouldn't stick to my cover's seal.
    image1(3).jpg
    Then I noticed I still had large gaps where the rails met so I went under the bed and pressed butyl rope into the gaps (pretty easy to work into the various spots) and thought I had it sealed.image3.jpg image4.jpg

    Since it was going to rain in about 15 minutes I closed the cover and waited. Thunderstorm and rained hard with wind. Opened the cover when it was over only to find water on the tops of the wheel wells again. Upon investigation I noticed it looked like now it was coming from underneath the corner of the bulkhead. Decided to remove the front bulkhead and realized that yes it does have a felt strip underneath (read tiny very porous strip) that doesn't even go all the way to the end.
    IMG_2196.jpgIMG_2194.jpg

    Decided to install the bulkhead strip diamondback sent me (yeah I should have done this first I know). I then reworked the butyl rope back into the gaps. Waiting on the next thunderstorm now.

    IMG_2197.jpg image0(3).jpg
     

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