Drilling holes on chassis! Will it void warranty?

Discussion in 'Suspension / Chassis' started by Shadowranger, Feb 6, 2020.

  1. Shadowranger

    Shadowranger Well-Known Member

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    Hey guys good afternoon. So I'm currently fabricating my first set of rock sliders for my 2019 crew cab but I'm trying to make everything as if they were factory made because if all goes well I'm planning to mass produce it for the public but as custom/direct bolt on. The only thing is that ,although I'm trying to stay away from it, there might be some drilling required. I'm using as many as original holes as I can on the chassis but there's a couple of holes that dont go through. I could make a bracket to stick a nut through a different hole and reach the other hole but will be a bit complicated and and wont be fully installer friendly.
    Will it void the factory chassis warranty if 4 ,1/2" holes where drill through?. It will be one on each corner of the car, 2 on each side, so that the longer bolts can go through the 4" chassis. I'd appreciate any input from the pros! I will not be drilling on this one for now but if I make this into production I want my future customers to be confident that their warranty will be intact. I'd prefer to drill holes because it will be easier and stronger on the rocky trails.
    Good day.

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  2. kieefer

    kieefer Well-Known Member

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    If your frame breaks in half I guess it would.

    I did this to my 83 Ranger yrs back. Never gave the warranty a thought.

    Awesome color BTW.
     
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  3. OP
    OP
    Shadowranger

    Shadowranger Well-Known Member

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    I seriously doubt a half inch hole will compromise the chassis integrity. But concern is on the rust warranty. If the manufacturer can deny warranty because of that
     
  4. kieefer

    kieefer Well-Known Member

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    Then can rustproof the holes and then add sealer around. Bolt them up with stainless steel.
     
  5. 2020FX4

    2020FX4 Well-Known Member

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    Look forward to seeing your sliders mounted. Is your truck got a wrap on it? Dipped?
     
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  6. OP
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    Shadowranger

    Shadowranger Well-Known Member

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    Thanks . It's a wrap. It's called rushing riptide .
     
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  7. P. A. Schilke

    P. A. Schilke Well-Known Member

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    Hi Eric,

    I doubt you will have any problem with a couple holes in the frame drilled all the way through on most of the frame...Not around suspension attachment points though, which may be unwise. Holes close to the top are likely not to have much effect. This is particularly related to a boxed frame like the 5G Ranger has. I have no access to the current frame, but with the old Ranger when I had Chassis FEA analysis, there were cases where hole locations caused frame cracking and as such, I would advise you to occasionally inspect both the outboard and inboard frame sections around the hole for cracking. If you find such, you will need to repair and weld the frame. At the end of the crack on both ends, drill about 3/16 holes which will go beyond the visible crack. Then weld up the holes and the crack. Reason is microscopically the crack extends beyond the visible crack... This is the way to handle any crack in any piece of metal. Your fabrication is very nice...I hope it is never needed, but if so I think it will protect your rockers/pinch weld flanges. Hope this seat of the pants analysis helps you make your decision on your install.

    Best,
    Phil Schilke
    Ranger Vehicle Engineering
    Ford Motor Co. Retired
     
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  8. Msfitoy

    Msfitoy Well-Known Member

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    Most of us with Shrock have drilled TWO holes into our chassis...:)
     
  9. RoadBoss

    RoadBoss Well-Known Member

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    not sure how yours fit, but I only had to drill one hole....
     
  10. Msfitoy

    Msfitoy Well-Known Member

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    You're right...it was just one...:)
     
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  11. RANGER PRIDE

    RANGER PRIDE Well-Known Member

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    If your frame folds in half where you drilled a hole, I would assume some serious push back from Ford.
    But really, a few small holes isnt going to fold your frame in half. At least under normal use.

    Myself, if I was going thru a boxframe...I'd weld a spacer or a doubler in there. But that's added cost and time. But I feel that trade off if worth it for piece of mind
     
  12. Tangent

    Tangent Well-Known Member

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    Shrockworks sliders have you drill 1 hole, and use 3 stick nuts, so you wouldn't be any less user friendly than they are.

    Was still relatively simple once you understood where everything goes and what you have to do.

    I haven't drilled the hole yet, so they aren't giving full protection, but, good enough for right now. Weather's been lousy, and haven't gotten around to it.
     
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  13. RoadBoss

    RoadBoss Well-Known Member

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    another thing to maybe consider though, is that a lot of people are hesitant to buy parts that require drilling. there were definitely a lot of people not wanting to get the shrockworks just because of drilling the single hole. I'd imagine having to drill 4 would turn away even more people. but maybe that's the market you're aiming for... just a thought
     
  14. THLONE

    THLONE Well-Known Member

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    Put it on your truck drive it like a wild man for 10 years and see what happens. Isnt that the type of testing most companies use before releasing to the public? :giggle:
     
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  15. OP
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    Shadowranger

    Shadowranger Well-Known Member

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    Do you have any pictures?
     

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