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My new 1988 T/A

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  • #46
    Parts arrived yesterday. Were actually at the post office the day before, just wasn't able to get into town to pick them up.



    And that one extra part sneaked it's way into the package.
    DynoDave
    POCI # 72200



    1988 Pontiac Trans Am WS6

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    • #47
      OK, I have all 4 Kicker speakers installed in my daughters Saturn. Wait, wrong forum.

      Sadly, the bird has to compete for my time. Had just a few minutes last night. Went through all the parts Lon shipped to me, and to keep the old grease out of the new grease, I cleaned all of the parts up that will be reused.




      And a quick electrical test of the motor...smooth as silk. Cleaned up the worm gear, and we're ready to start reassembly. Tomorrow.


      DynoDave
      POCI # 72200



      1988 Pontiac Trans Am WS6

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      • #48
        So what ultimately was the problem? I didn't really catch it prior.
        Gone but not forgotten: 1986 Chevrolet Camaro IROC-Z

        "You shall ride eternal. Shiny and chrome."

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        • #49
          Well...I wish I had found a smoking gun. Something CLEARLY broken. But I never really did. The guides are very worn, for no more miles than are on the car (and therefore likely a low number of hatch openings and closings). But they are worn and cracked, and a chunk is missing. The two parts that the guides separate didn't "seem" loose to me, but who knows.

          I also found one small crack in a screw hole/boss in the gear housing. But not the catastrophic fracturing of the housing that is more typical. And my gear nut looks like new. Motor tests good, reversing switch tests good. Just not sure.

          So I'm refreshing the assembly (new, reinforced housing, new guides, new gear nut, new grease), and hoping that the answer is in there somewhere.
          DynoDave
          POCI # 72200



          1988 Pontiac Trans Am WS6

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          • #50
            If the guides are cracked/missing, it's likely those caused it...I was lucky enough not to have any issues with the pull-down motor in my IROC.

            Hopefully the new parts fix it!
            Gone but not forgotten: 1986 Chevrolet Camaro IROC-Z

            "You shall ride eternal. Shiny and chrome."

            Comment


            • #51
              It failed on our color tour last year. We were parked in a field along a rural road at a cider mill. As a result, the flexi-flyer t-top T/A was sitting on uneven ground, and the chassis was flexed. The doors were slightly hard to open. So that may have created enough of a side load on those worn guides to jam it.
              DynoDave
              POCI # 72200



              1988 Pontiac Trans Am WS6

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              • #52
                Finally had a few moments to put some of this back together.

                Assembly laid out with new parts, and everything greased. New gear nut installed at 7.5 turns per Lon.




                Going back together.



                Reversing switch is next.



                Aligning the electrical contacts...



                ...then held in place with a single screw.



                Fully seated.



                Switch set in down position between the metal tabs.



                The switch lever and tabs were something I didn't really understand, until I had taken it apart and reassembled it.




                Guides are next, but that will have to be tomorrow night.
                DynoDave
                POCI # 72200



                1988 Pontiac Trans Am WS6

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