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Fixed worn shift collar

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  • bygrace
    Experienced
    • Jul 27 2015
    • 238

    Fixed worn shift collar

    The pin in my shift lever had worn a big hole in the collar. Pretty sloppy. I pulled the lever, drilled the collar out 3/16 round straight thru. I cut two little bushings from 3/16 brake line, and put them in with an 1/8 bolt and nut. The bushings pinch tight to the shift lever but rotate in the collar, like the original pin did. Only on a larger diameter. Later, I pulled the bolt out and filed it and the nut real thin, with a chamfer. I also welded and reground the tang that keeps the lever in park. Not a fix for a purist, but works great.
  • jopizz
    Super-Experienced


    • Nov 23 2009
    • 8345

    #2
    Any fix that doesn't cost anything is great in my book.

    John
    John Pizzi - Squarebirds Administrator

    Thunderbird Registry #36223
    jopizz@squarebirds.org 856-779-9695

    https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

    Comment

    • Deanj
      Super-Experienced
      • Nov 26 2015
      • 631

      #3
      Very nice fix. I installed a new collar, bushings, detent, shifter, insulator and new roll pin. That only corrected the shifter from rotating 360 degrees and made the back-up lights easier to contact. The shifter still has a one spot play meaning the culprit lies at the bottom of the shift tube in the selector arm. I might ask a welder if he can do anything with that.

      How do you widen the diameter of the roll pin? Mine likes to slide out by itself.

      Dean

      Comment

      • Tbird1044
        Super-Experienced
        • Jul 31 2012
        • 1346

        #4
        Dean:
        Part of the problem with the design is that the roll pin has a press fit into the shift lever and then the pin rotates in the shift collar. The shift collar becomes the bearing surface and is a lot softer metal and hence over time, you get the wear. I got rid of the roll pin and replaced it with shouldered pin I found at Ace hardware. Worked well so far.
        Nyles
        Attached Files

        Comment

        • Deanj
          Super-Experienced
          • Nov 26 2015
          • 631

          #5
          Great idea. I'll give a status soon.

          Dean

          Comment

          • bygrace
            Experienced
            • Jul 27 2015
            • 238

            #6
            I like that shoulder pin.. Is it the same diameter as the roll pin hole? Or did you redrill to correct wear in the collar holes?

            Comment

            • Tbird1044
              Super-Experienced
              • Jul 31 2012
              • 1346

              #7
              As I recall, I think I found one that was the same diameter as the roll pin. I did have to cut it down to size, as it was too long, but that wasn't a problem.
              Nyles

              Comment

              • Deanj
                Super-Experienced
                • Nov 26 2015
                • 631

                #8
                I went to ACE Hardware and a place called Micron that specializes in fasteners. No shoulder pins or anything close. Micron did give me a new roll pin which I installed for good measure. I might be better off inserting a small screw inside the roll pin to act like the vent window resistance mechanism.

                Dean

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