No 1st gear on a 4R70W after a rebuild.

[sal52]

I rebuilt my tranni few days ago but now it dont drive on 1st gear I have to start on 2nd gear and shift to 3rd and work fine also o/d work fine any one can help

 

[BrooklynBay]

Welcome to this forum! I've moved your thread into the transmission section. You might have to go back to trace your steps to see if something was done wrong.