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Rust Gas Cap

Discussion in '5th Gen 4Runners (2010-2024)' started by MattO2786, Jul 21, 2020.

  1. Jul 21, 2020 at 8:43 AM
    #1
    MattO2786

    MattO2786 [OP] New Member

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    Pointed this out to the dealer during my 25k maintenance. Tech said it was nothing to be worried about and wouldn’t spread. Said the rivet is metal, but the surrounding area would not rust. He said that other 4Runners have this. I have another year on my corrosion warranty, so I didn’t feel like battling with him. Can anyone confirm what he is telling me?

    16105D34-4CB4-4030-AD72-A90AD0E5EA10.jpg
    F47C2DFA-7186-48B9-A43D-E4F2D1F488D3.jpg
     
    Horizon likes this.
  2. Jul 21, 2020 at 9:05 AM
    #2
    wallygator24

    wallygator24 New Member

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    My wife's Highlander has this exact same thing, even same lower rivet. We have owned it for six years without any issues, and the rust has not spread anywhere else. I would not lose sleep over it.
     
    7385 and MattO2786[OP] like this.
  3. Jul 21, 2020 at 9:19 AM
    #3
    Singleminded

    Singleminded New Member

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    That's helpful info.

    Matt, have you considered putting a dollop of rust neutralizer on that rivet? I'm not sure if that's a good idea or not, but if it was me I'd be tempted. Maybe others on the forum can advise why that might or might not be worth trying.
     
    7385 likes this.
  4. Jul 21, 2020 at 9:42 AM
    #4
    MattO2786

    MattO2786 [OP] New Member

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    I have not. I wanted to see what the dealership said first. Honestly, I’m probably not going to do anything unless it starts to spread. I’m in Charlotte, NC, so I don’t have to worry about the elements making it worse.
     
  5. Jul 21, 2020 at 9:50 AM
    #5
    Singleminded

    Singleminded New Member

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    Makes sense. Good luck with it and maybe update us sometime.
     
    MattO2786[QUOTED][OP] likes this.
  6. Jul 21, 2020 at 7:18 PM
    #6
    Agent_Outside

    Agent_Outside A Guy A Girl and A Trail

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    FYI that’s the fuel door, not the gas cap. But personally I would take a small dremel bit, clean up the rust, then use a q-tip in some rustolium to dab some paint over the cleaned up area.
     
    toy33 and SlvrSlug like this.
  7. Jul 22, 2020 at 12:23 AM
    #7
    fixer5000

    fixer5000 the logical one

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    2018 limited in nautical blue with redwood leather
    no plans
    paint it. all done
     

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