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Re-sealing factory roof rack holes

Discussion in '3rd Gen. Tacomas (2016+)' started by Rizzowe, Feb 7, 2021.

  1. Feb 7, 2021 at 1:26 PM
    #1
    Rizzowe

    Rizzowe [OP] New Member

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    I had a OEM roof rack on my 2020 DCSB. I took it off so that I could go back to using the drip moldings that were originally on the truck with the intention of eventually getting a more traditional Thule or Yakima rack.

    My questions is, does anyone have experience with going to the dealer to have the holes sealed or to have the factory bolt hole tape re-applied? I was able to get the drip moldings but the parts dept. said they didn’t have a part # for the tape that covers the holes. I’ve seen a lot of mixed reviews on sealing the holes with silicone and would prefer a more permanent, worry-free option. I have VHB over the holes currently and it started peeling pretty easily after a wash.
     
  2. Feb 7, 2021 at 2:05 PM
    #2
    ssd2k2

    ssd2k2 Well-Known Member

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    Ketih
    Minnesota
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    2019 Tacoma TRD Sport M/T
    On an older vehicle I filled the holes with RTV after I took the roof rack off, cleaned the channel with alcohol, applied single sided vhb tape over the hole, and replaced the drip molding.
    For 2 years I never had a leak then I sold the vehicle.
     
    Rizzowe [OP] and TacoManOne like this.
  3. Feb 7, 2021 at 2:24 PM
    #3
    Rizzowe

    Rizzowe [OP] New Member

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    I didn’t know there was single sided VHB. Might need to look into that. The double sided tends to absorb a lot of water
     
  4. Feb 7, 2021 at 2:37 PM
    #4
    ssd2k2

    ssd2k2 Well-Known Member

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    I'm not sure if it was official 3m VHB tape, I got it off a job site, it was some waterproof sealing tape that seemed very similar to VHB tape.

    Edit: It was something like this
    https://www.amazon.com/3M-Extreme-S...612737758&sprefix=3m++sealing,aps,185&sr=8-10

    The important thing is to clean the area with rubbing alcohol so the tape can get a good bond.

    On my current Tacoma I have double sided VHB holding the molding in place on both ends with zero issues over the last 6 months. And I have used double sided VHB to hold down roof moldings on multiple vehicles with almost no issues.
     
    Last edited: Feb 7, 2021
    Rizzowe [OP] likes this.
  5. Feb 7, 2021 at 2:43 PM
    #5
    rnish

    rnish Well-Known Member

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    Pro Suspension (Bilstein), OME Dakar (med), armor
    SS bolts with a little teflon tape?
     
    Rizzowe [OP] likes this.
  6. Feb 7, 2021 at 2:43 PM
    #6
    DTaco18

    DTaco18 Well-Known Member

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    If it were me, I'd install a metric setscrew with teflon tape. Then put a small piece of masking tape over the head of the setscrew. Then smear seam sealer over it to seal. This would allow easy access to the threads if needed in the future.
     
    Malvolio and Rizzowe [OP] like this.

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