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Fender Crack: Longevity Of Repair?

Discussion in 'Builds and Fabricators Forum' started by Chilly, Oct 26, 2018.

  1. Oct 26, 2018
    Chilly

    Chilly Active Member

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    Mar 12, 2007
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    1,486
    Guys

    Top hole at the grill is cracked out, bits of missing metal, poor braze repair. Are weld repairs there destined to fail again?

    Thinking to excise a piece from a donor fender and splice in a palm- sized section rather than try to weld the spider web of crack. Recommendations?

    Chilly
     
  2. Oct 26, 2018
    Chilly

    Chilly Active Member

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  3. Oct 26, 2018
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    Regardless of the welding, I'd be thinking about backing it up with some kind of reinforcement.
     
  4. Oct 26, 2018
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    I'd weld the crack, trim the hole back to solid thick metal & put in a pre-shaped patch- a little hammer & dolly work & it will look factory & last a long time.
     
  5. Oct 26, 2018
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Virginia Beach, VA
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    that's what I would do . cut out old . the only real fix
     
    ojgrsoi likes this.
  6. Oct 26, 2018
    jarhead6153

    jarhead6153 New Member

    Milton FL
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    Do yourself a favor and “stop drill” the end of the crack with a #10 drill bit. We do it in the aviation community everyday as long as it’s not in a critical area and below 1’. Only job I did yesterday on a C130-W Gunship was stop drilling a small crack near the #3 engine chin scoop and applying high temp sealant afterwards. Then you can latter decide if you weld it or replace it. This will prevent the crack from getting longer.
     
    Bowbender likes this.
  7. Oct 26, 2018
    TIm E

    TIm E Aggressively average

    NW Arkansas
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    I'll second what has already been shared...solid advice.

    Jarhead's response reminded me of a time when I wore a much younger man's clothes and asked my father's advice about whether or not I should repair a small crack in a compressor housing (I was young and lazy, hoping to leave it alone). He has a way of packing a lot of wisdom into very few words and guiding me to do the right thing without actually telling me what to do. His response was simply, "I have never seen a crack get smaller."
     
    Muzikp, jeepermc, Tom_Hartz and 3 others like this.
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