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Hood Vibrating

Discussion in '3rd Gen. Tacomas (2016+)' started by mjones1970, Nov 20, 2015.

  1. Aug 7, 2018 at 9:14 PM
    #1061
    Grossomotto

    Grossomotto Well Done Member

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    Has anyone used JB Weld?
     
  2. Aug 8, 2018 at 5:17 AM
    #1062
    EdgeCrusher

    EdgeCrusher Well-Known Member

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    Do not. Needs to remain flexible for the life of the vehicle.
     
  3. Aug 8, 2018 at 7:54 AM
    #1063
    sierra141

    sierra141 Well-Known Member

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    el paso,texas
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    Just use clear outdoor silicone, it will flex but be much sturdier
     
  4. Aug 8, 2018 at 7:57 AM
    #1064
    Grossomotto

    Grossomotto Well Done Member

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    But, the flexing is what's pulling the hoods apart. It seems something like jb weld would keep it together. People even use it to seal cracked engine blocks, the stuff really is like a weld.

     
  5. Aug 8, 2018 at 8:41 AM
    #1065
    sierra141

    sierra141 Well-Known Member

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    I thought about using liquid nails as well, but I think the glue they used at the factory flexes like some kind of putty. Its kind a squishy if you press on it, especially after driving your truck (with engine heat)
    So far mine is way better and we have been in the triple digits here in Texas south west desert. If you try JB weld keep us posted how it turns out for you.
     
  6. Aug 8, 2018 at 8:43 AM
    #1066
    Grossomotto

    Grossomotto Well Done Member

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    I’m fine looks like all is good but only have 5100 miles. If it starts seperating I’ll perhaps try it.

     
    sierra141 likes this.
  7. Aug 8, 2018 at 3:26 PM
    #1067
    EdgeCrusher

    EdgeCrusher Well-Known Member

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    The hood skin is not pulling apart. Its the lack of support points making contact with the hood skin. The putty from the factory remains soft for a reason. You want it to flex with movements of the truck as well as temperature of the metal. No flex means it will create dimples in the hood. The defect is the number of contact points or lack there of. This causes the factory advise to lose contact with the metal. Adding product like 3M NVH to all areas of the hood support increases the contact to reduce vibration and remains flexible to adapt to temps and wind moment.
     
  8. Aug 8, 2018 at 4:16 PM
    #1068
    nartmot

    nartmot Well-Known Member

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    Is it possible to use too much of the NVH? I was going to use the whole bottle and apply it anywhere there is a gap.
     
  9. Aug 8, 2018 at 9:59 PM
    #1069
    bagleboy

    bagleboy Well-Known Member

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    The only thing I'd worry about is semi-trapped spaces since the engine bay gets some spray in wet weather. Maybe a dashed spacing would be better, dunno, just my .02. Certainly anything more than the few stock blobs would improve the bond proportionately.
     
    nartmot likes this.
  10. Aug 9, 2018 at 5:32 AM
    #1070
    EdgeCrusher

    EdgeCrusher Well-Known Member

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    Naw I used the whole thing.
     
    nartmot likes this.
  11. Aug 9, 2018 at 5:52 AM
    #1071
    Broheim

    Broheim Well-Known Member

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    Its glue. Under extreme heat from sun and engine heat. Why glue is being used in the first place is the problem.
    If we are concerned about cost and glue failing on an expensive item...
    A couple of my $350 nike soccer cleats have had their bottom "cleat" unglued and peel right off the upper several times on different models of shoes just from using them as intended.
    I just Gorilla glue them back on and they're good to go.
    Again..its just glue.

    These are $30k trucks..or less. Markup doesn't count. It's the same hood from SR to Pro.
    It's not a land rover or amg man. It's still a Japanese truck.
    Cost of the truck doesn't mean anything if they're using glue to manufacture parts.
    You want an all in one piece frame and hood?.. then look at a more high end vehicle.
    Let's get past the 'expensive' 30k tacoma thing already. This is 2018.
     
    Last edited: Aug 9, 2018
  12. Aug 12, 2018 at 7:33 PM
    #1072
    Andypii

    Andypii New Member

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    UPDATE: Got my sr5 back, and I must say they did a good job. Paint matches perfectly, all EO emissions labels, and other sticker in place. Im a master autotech and often do used vehicle inspections for my customers and this one would even fool me. :amen: If it ever happens again- im just going to Lowes for a tube of goop lol
     
  13. Nov 8, 2018 at 12:34 PM
    #1073
    Hijynx

    Hijynx Well-Known Member

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    2019 offroad still with the same adhesive separation problem. baja built 09/18
     
  14. Nov 8, 2018 at 12:37 PM
    #1074
    toyotatacomaTRD

    toyotatacomaTRD Senior Member

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    That's frustrating. Dealership sourced my fix through a local body shop. Much better. Crazy they haven't addressed this 4 years in.
     

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