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  1. #1
    Join Date
    Feb 2007
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    West Sussex
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    sun visor coming loose

    Passenger side sun visor keeps falling off due to the grub screw coming loose on one side.-
    I have re-tightened the grub screw several times, it then wobbles loose after 30 miles or so.
    Its at the point where I am nervous of stripping the thread if I tighten it more.
    Any suggestions?
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  2. #2
    Join Date
    Dec 2008
    Location
    West Sussex
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    61
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    194
    I'm sure you must have thought of it, thread lock. Maybe there's a reason you don't want to.

    Barry

  3. #3
    Join Date
    Feb 2007
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    West Sussex
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    8,503
    maybe that's the solution - its just something have an aversion too, as it wont come apart easily when i next need to remove things (such as before paint).
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  4. #4
    Join Date
    Jan 2012
    Location
    Perth
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    53
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    1,673
    Quote Originally Posted by KevinW View Post
    maybe that's the solution - its just something have an aversion too, as it wont come apart easily when i next need to remove things (such as before paint).
    Kev,

    Comes in various strengths

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    cheers
    Kiel and Duncan (dad and the lad errr young man now)

    AHP Crendon Chassis No 1
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  5. #5
    Join Date
    Apr 2004
    Location
    East Leake, Nottinghamshire, England.
    Age
    55
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    9,489
    have you thought of helicoiling it if there is enough thread of course.

  6. #6
    Join Date
    Sep 2010
    Location
    Nova Scotia
    Posts
    794
    Could the screw be too long and bottoming out against the glass? I might be all wrong about that as I can't remember how they screw on, however if it bottoms against the glass, it won't hold as the threads aren't stressed in tension. Plus, the glass could break.
    John

    “A prudent person profits from personal experience, a wise one from the experience of others.”

  7. #7
    Join Date
    Oct 2006
    Location
    Toton, Nottinghamshire
    Age
    46
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    846
    If it's the style of visor I have with a tab which screws to the windscreen frame and then a hinge/clamp arrangement which clamps to the tab, then I had problems with them working loose too. If you overtighten the grub screw then the hinge/clamp breaks (done it). It's fairly weak, cast metal. I ended up remaking the metal tabs out of aluminium. I also drilled a small hole where the grub screw makes a slight depression on the aluminium tab so that the grub screw locks into the tab. There was another advantage that I was able to put a bit of a twist on the tab to accommodate the curvature of the windscreen and there were less stresses on the hinges.

    Russ.
    Joint Area Rep - East Midlands Region
    1984 DAX Cobra
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  8. #8
    Join Date
    Feb 2007
    Location
    West Sussex
    Posts
    8,503
    Quote Originally Posted by Russ-Notts View Post
    If it's the style of visor I have with a tab which screws to the windscreen frame and then a hinge/clamp arrangement which clamps to the tab, then I had problems with them working loose too. If you overtighten the grub screw then the hinge/clamp breaks (done it). It's fairly weak, cast metal. I ended up remaking the metal tabs out of aluminium. I also drilled a small hole where the grub screw makes a slight depression on the aluminium tab so that the grub screw locks into the tab. There was another advantage that I was able to put a bit of a twist on the tab to accommodate the curvature of the windscreen and there were less stresses on the hinges.

    Russ.
    Thanks - I might try just drilling a small c/s hole for the grub screw to bear down onto, and then add some weak threadlock.
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  9. #9
    Join Date
    Dec 2007
    Location
    cheshire
    Posts
    1,187
    Kev, try a small amount of clear silicone sealant 1st before you start any drilling etc,

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