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Front Bed Header Height Higher Than Side Rails

Discussion in '3rd Gen. Tacomas (2016+)' started by intels, Mar 14, 2021.

  1. Mar 14, 2021 at 9:53 PM
    #1
    intels

    intels [OP] New Member

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    The front bed header on my 2021 TRD Pro seems to sit proud of the side rails by about 5mm. Photo attached. This makes my canopy seals not seal tightly, and it leaks like a sieve, which is ridiculously annoying. Are they all like this? Some dudes in my neighborhood have some Gen3s and theirs seem more near flush. Can you buy flush ones? I am not ever planning on using a Tonneau to begin with. What is the easiest remedy this seal issue? Thinking of yanking the thing off and buying a piece of aluminum angle and drilling the 4 holes so the height exactly matches the side rails - perhaps seal better then. Any better advice is greatly welcomed please.

    PXL_20201201_002434442.jpg
     
  2. Mar 15, 2021 at 4:21 AM
    #2
    Mikro

    Mikro Well-Known Member

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    I have a 2020 Pro and mine looks like yours in the picture. I have a Diamondback, which has a fairly decent sized gasket which seems (so far) to prevent leakage. Also, I have a square of foam weather stripping that sticks the end of the header bar to fill in the gap between the bar end and the side of the bed.
     
    ksimms92 likes this.
  3. Mar 15, 2021 at 5:12 AM
    #3
    Prjct_Vodo

    Prjct_Vodo Well-Known Member

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    part #s 62541-04010 and 62542-04010. These are OEM factory bed rail plugs that go on the bed rail closest to the cab. If you have a tonneau cover,these plugs will prevent the water fromleaking into the bed.
     
  4. Mar 15, 2021 at 8:45 AM
    #4
    NoVa TRD Sport

    NoVa TRD Sport Well-Known Member

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    Leer cap
    Seems abnormal. On my 2021, the front and side caps are flush.
     
  5. Mar 15, 2021 at 9:27 AM
    #5
    cspcrx

    cspcrx Well-Known Member

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    My 2021 are flush as well
     
  6. Apr 14, 2021 at 3:30 PM
    #6
    EastVan

    EastVan Well-Known Member

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    I have this issue with my 21 Sport DCSB. Didn't notice until I was installing a Sideride bike mount this weekend. Doesnt make sense that some are like this and some not. I'm assuming it is supposed to be flush.
     
  7. Apr 14, 2021 at 6:12 PM
    #7
    TACO TM

    TACO TM Well-Known Member

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    My ‘21 pro is a bit higher too. Not quite that much though. Have you taken it off to investigate?

    Makes me want to ask you if your rear bumper to tail light gap is the same on each side. My driver side has a bigger gap compared to the passenger side. I noticed yesterday while putting in MESO Stage 1 LEDs (They are awesome!). The truck is new without any damage at all. All fasteners and brackets appear to be in place and solid.

    I am considering elongating the rail bolt holes to try to drop it down and sit more flush. Just an idea right now I’m not sure if the bed ribs will allow it to drop downwards.

    I’ll know more in the next couple weeks once I get my cover on.

    BB258D58-44B2-41AF-AC7A-9320AE4D200D.jpg
     
    SJBrown likes this.
  8. Apr 14, 2021 at 6:34 PM
    #8
    cop414

    cop414 Well-Known Member

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    Subscribed to this thread. Mine sits a little proud too, was considering a diamondback some time down the road, don’t want this to be a problem with it sealing.
     
  9. Apr 14, 2021 at 7:41 PM
    #9
    kiwiyyc

    kiwiyyc Member

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    Mine was similar to the OPs on a 2020 DCSB Sport. However, I’m in the process of installing a Diamondback SE and had to pull the cab rail off to install the Diamondback bulkhead seal. I also put on the OEM rubber seals. After everything went back on, there’s now maybe 1 mm height difference. Might be worth taking it off and reinstalling.

    DCBF20F0-399A-4D27-B113-2A36896A3C39.jpg
     
    RushT, EastVan and ktbell444 like this.
  10. Apr 14, 2021 at 7:51 PM
    #10
    ksimms92

    ksimms92 Well-Known Member

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    My 2020 isn't flush either. That looks about the same difference in height. I have a diamondback and made sure to really compress the seal when adjusting the locking arms. With some RTV silicone in the gap, it hasn't leaked yet :fingerscrossed:
     
    EastVan likes this.
  11. Apr 14, 2021 at 7:59 PM
    #11
    Tacomike18

    Tacomike18 Well-Known Member

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    Also higher in my 18 taco
     
  12. Apr 14, 2021 at 8:00 PM
    #12
    Benny blanco

    Benny blanco Well-Known Member

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    Some stuff
    I added those front seals like you have in your pic. Before I put on my diamondback my front rail sat flush. then I added the weatherstripping under the rail, now it’s up a touch, similar to OP pic. What really keeps water out is those other front seal pieces... and I sealed the gate too. Love my diamondback, still hate tonneau covers Looking to sell it
     
    kiwiyyc likes this.
  13. Apr 14, 2021 at 9:07 PM
    #13
    kiwiyyc

    kiwiyyc Member

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    Not to hijack the thread but what did you use to seal the tail gate?
     
  14. Apr 14, 2021 at 9:09 PM
    #14
    chuam

    chuam Well-Known Member

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    Icon 2.5 & UCAs front, Icon 2.0 rear, Icon RTX leafs RSI Smartcap Evo KDMax 6.0 tune ARB Recovery Point OR Black Fenders Caliraised Hidden Grill light bar Differential Breather Mod Supralee Traction Board mount MESO Gasshole Taco Garage DMM 2.0 Total Chaos bed stiffeners TRD SEMA Pro 17" wheels Falken Wildpeaks 275/70r17 TRD Pro Grill Ecological Bumper shells DesertDoesit Seat Jackers
    I have these in and it doesn't stop the water leaking in the corners under my shell. RTV worked way better.
     
  15. Apr 14, 2021 at 9:28 PM
    #15
    Benny blanco

    Benny blanco Well-Known Member

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    Some stuff
    Rok blok and whatever the suggested add on is on Amazon. There is a recent thread and video related to the tailgate gap cover. When I had my cover on you could feel the difference in closing. Really Did help keep dust out.
    ESI ROK BLOCK Tailgate Gap Cover 4.25" width https://www.amazon.com/dp/B00BPE4AP6/ref=cm_sw_r_cp_api_glt_fabc_ZBM1YBMQKZEQ8G94JJF9?_encoding=UTF8 And then thisESI Ultimate Tailgate Seal with Taper Seal 10ft for use with Truck Caps and Tonneau Covers https://www.amazon.com/dp/B00IPQWXZQ/ref=cm_sw_r_cp_api_glt_fabc_KE80EX0AQ5B76FBV63K4?_encoding=UTF8. I don’t remember ordering the second piece but it came with the gap cover somehow
     
    Last edited: Apr 14, 2021
    shotgunbilly420 and kiwiyyc like this.
  16. Apr 14, 2021 at 9:30 PM
    #16
    Benny blanco

    Benny blanco Well-Known Member

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    I’m not saying you did it wrong, I had to trim my bed rail caps with tin snips to get them in. It took a while to figure out how they went in there as it is. Then I finally found the right post somewhere.
     
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  17. Apr 14, 2021 at 9:49 PM
    #17
    chuam

    chuam Well-Known Member

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    Mine were factory installed with the tonneau cover. They help with the gap but don't seal it off perfectly.
     
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  18. Apr 15, 2021 at 4:53 AM
    #18
    cop414

    cop414 Well-Known Member

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    So are these the factory plugs? I have them from the factory I assume because of having the factory cover?

    The fact that the diamondback is adjustable as to the force when closed is yet another plus me thinks. 95F1D86A-7038-41A1-B996-A2ADC69E8852.jpg
     
  19. Apr 15, 2021 at 7:20 AM
    #19
    Benny blanco

    Benny blanco Well-Known Member

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    Yeah those are the factory plugs. And yes the diamondback is adjustable. When you first get it the seals are really squishy and you have to put a lot of weight on top of the cover to compress the seals and get a good seal. Then, Later on again
     
    cop414 likes this.
  20. Apr 15, 2021 at 8:43 AM
    #20
    cop414

    cop414 Well-Known Member

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    Great, thanks. Still not 100% on the diamondback but I am leaning that way.
     

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