New Ignition Cylinder doesnt click in?

Lock Cylinder Functional
Removal

1. NOTE: The following procedure applies to vehicles that have functional ignition switch lock cylinders (11582), lock cylinder keys are available for these vehicles or the lock cylinder key numbers are known and the proper key can be made.
   
   Disconnect battery ground cable (14301). Refer to Section 14-01 .
   

1. Turn ignition switch lock cylinder to RUN position.
   

1. Place a 3.17 mm (1/8-inch) diameter wire pin or small drift punch in hole in lower steering column shroud (3530) under ignition switch (11572). Press retaining pin while pulling out on ignition switch lock cylinder to remove it from steering column lock cylinder housing (3511).
   

1. Install ignition switch lock cylinder by turning it to RUN position. Insert ignition switch lock cylinder into steering column lock cylinder housing. Make sure ignition switch lock cylinder is fully seated and aligned in interlocking washer before turning ignition switch lock cylinder to OFF position. This will permit cylinder retaining pin to extend into steering column tube flange hole.
   

1. Rotate ignition switch lock cylinder, using lock cylinder key, to ensure correct mechanical operation in all positions.
   

1. Connect battery ground cable.