I was having the almost the same problem, mine was slipping from 1-4 down into 1-3 position... I fixed it by adjusting the linkage and putting washers where they connect to tighten up the slop... It also took care most of the rattles in the linkage...


1954 Chevy 3104 3 Window Hydra-Matic in my family for over 60 Years

Once in a while you get shown the light in the strangest of places if you look at it right... "Scarlet Begonias" Grateful Dead 1974