1999 Buick Lesabre ignition lock replacement

Steering Column Lock Cylinder Set - Disassemble - Off Vehicle
Disassembly Procedure
Important: The turn signal switch assembly does not have to be pulled through the column when removing unless necessary. Let the turn signal switch assembly hang freely after removal of the screws.

Remove the turn signal switch assembly. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle .
Put the key in the LOCK position.

Disconnect the steering column key lock cylinder set terminal connectors.
Attach a wire to the terminal connectors. This will make installation easier.

Remove the buzzer switch assembly (3).
Remove the lock retaining screw (2).
Remove the retaining clip (4) from the steering column lock cylinder set terminal connector (5).
Remove the steering column lock cylinder set (1).
Gently pull the terminal connectors (5) through the column.