Mark, I took the assembly apart and the problem appears to be in the spring seat retainer area. The knob seems to be okay. As much as I want to solve the problem, I really want to know the tranny type so that if I need to make other repairs in the future, I have the right type of box style. As near as I can tell, the tranny makers just supply the gearbox itself. The shift lever assembly seems to be sort of an afterthought and doesn't show up as a part on any drawings that I can find with part numbers. I'm certain that the part is available, I just don't know the part number and from whom to get it.
