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Thread: 4-Speed Shifter Mods - Service Letters?

  1. #1
    President Member r1lark's Avatar
    Join Date
    Oct 2004
    Winston-Salem, NC, USA.
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    4-Speed Shifter Mods - Service Letters?

    Subject: 4-speed shifters

    Service Letter U-1963-1 dated October 29, 1962 details some modifications to the T-10 4 speed shifter -- primarily a new Shift Lever, nylon bushings for the Shift Lever Retaining Pin, a different spring washer, and a "Shifter Guide Sleeve" (boot) p/n 1559675 that was installed on the very bottom of the shifter lever where it rides in the Shift Lever Guide.

    There was a later modification that eliminated both the 1559675 Shifter Guide Sleeve and the original Shift Lever Guide with p/n 1563002 "Plate, gearshift anti-rattle".

    Question: was there a Service Letter that covered the new p/n 1563002 Plate, gearshift anti-rattle?
    Winston-Salem, NC
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  2. #2
    President Member
    Join Date
    Mar 2007
    Marysville, Washington, USA.
    While I don't have a copy of that service letter, I do recommend using the spring clip retainers rather than the plain cotter pins, as found in Mr. Gasket shifter bushing & clip kit # 11 , on the ends of the shift rods. Lou Cote

  3. #3
    Silver Hawk Member
    Join Date
    Apr 2008
    Seligman, Az USA.
    I've replaced the plastic bushings with brass along with the spring clip retainers. It helped but the Hurst shifter made it great.
    59 Lark wagon, now V-8, H.D. auto!
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    63 G.T. Hawk R-2,4 speed
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