1) Remove the 4 shifter bezel screws.
2) Turn the bezel 90 degres and lift the bezel over the shifter.
3) Disconnect the 2 pattern lights and lift the shift pattern plate out.
4) The detent is retained in front by a 7/16 bolt, remove the bolt.
5) The rear of the detent is retained by a large steele rivet, grind the tail of the rivet off.
6) Remove the detent.
7) Install the new detent in reverse order.