Rearview mirror won't stay in place

Discussion in 'Small Block Tech' started by 72skylarkconvt, Feb 3, 2020.

  1. 72skylarkconvt

    72skylarkconvt Well-Known Member

    Don't see where to post this on the board so I put it here. My rearview mirror is orig. It will not stay in place. it keeps flopping DOWN. It has the orig, I assume, tightening screw that seats down in a hole. I can tighten it like heck and it will hold for a few bumps in the road then it flops back down. The treads on the screw are not stripped, cross threaded etc. IS this common for these at this age? What is the fix? Can't put a lock washer on it since the screw sits down in a cup.
     
  2. flynbuick

    flynbuick Super Moderator Staff Member

    Try a big screw driver
     
  3. Doo Wop

    Doo Wop Where were you in '62?

    Try a lock washer.
     
  4. 72skylarkconvt

    72skylarkconvt Well-Known Member

    The screw goes down into a cup, don't see how the lock washer would work.
     
  5. flynbuick

    flynbuick Super Moderator Staff Member

    I have corrected the same squawk. Use a big screw driver.
     
  6. 72skylarkconvt

    72skylarkconvt Well-Known Member

    SWUACK? I have tightened that as much as I could, it lets loose soon after I did.
     
  7. Dr. Roger

    Dr. Roger Stock enthusiast

    Get it where you want it then tack weld it. :)

    Personally, I would replace it since I've fought with mirrors and visors so much, I just replace them when they won't cooperate (old worn out stuff).
     
  8. jmos4

    jmos4 Well-Known Member

    Hi,

    Big screw driver helps, but first smooth out the sides of the tab on the mirror as they get a wear pattern or track and they will keep walking in the wear path unless you flatten the surface.

    Regards,
     
  9. Duane

    Duane Member

    Use some lock tight on the threads and then tighten it up. Leave it alone for a few days before you drive it.
    Duane
     
    CraigFaller likes this.
  10. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD"

  11. Mart

    Mart Gold level member

    Yep, loctite, or sandwich in a thin piece of nylon or plastic.
     
  12. Mark Demko

    Mark Demko Well-Known Member

    The pot metal and aluminum stretch expand and deform over the years, probably just worn out.
     
  13. Stevem

    Stevem Well-Known Member

    If it's not a show car just drill out the threads to the next bigger machine screw sizeand use a nyloc type nut or jam nut on its end, done deal in 3 minutes!
     
  14. jay3000

    jay3000 Well-Known Member

    I was thinking "vise grips" . Obviously I need to get my prescription refilled:).. I crack me up
     
    Mark Demko likes this.
  15. Mart

    Mart Gold level member

    Just tighten the piss out of it. It's 49 yrs old! You have a Buick torque problem! Use a BFS.... 15810257956742965184212370668957.jpg
     
    CraigFaller likes this.
  16. jay3000

    jay3000 Well-Known Member

    You could just drill all the way through and put a nut and bolt on it with locktite
     

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