I wonder if you can really adjust the slop out in that manner. The screw on the top doesn't really do much, it just adjusts the tension, it doesn't really affect play. He is diving into the guts an adjusting the position of the pinion gear and how it mesh's. Those are pretty heafty gears in theory they should last forever.

Maybe I'll get another kit and give this a try, if it doesn't work I'll cough up $600 for a rebuild.

I hate having slop in the gearbox, makes the car drive poorly.

It doesn't look any harder than rebuilding a 2 or 3 speed Harken or Lewmar winch.

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2006 CL500
1969 280SE
2023 Ram 1500
2026 Genesis GV70
2007 Tiara 3200