Installation Procedure

Code the NEW front side door lock cylinder. Front Side Door Lock Cylinder Coding
Courtesy of GENERAL MOTORS COMPANY

NOTE:
Ensure that the door lock cylinder is engage all the way into the side door handle locator tabs. Insert the key into the door lock cylinder, turn left to right checking for binding before install the assembly to the vehicle.

Install the lock cylinder retainer (1) to the front side door outside handle bracket (3).
Install the door lock cylinder (2) in the front side door outside handle bracket (3), push forward locking the lock cylinder (2) into the lock cylinder retainer (1).
Courtesy of GENERAL MOTORS COMPANY

Front Side Door Lock Cylinder Rod (1) - Install
Courtesy of GENERAL MOTORS COMPANY

Front Side Door Latch (2) - Install - Front Side Door Latch Replacement
Ensure that the door lock system operates properly before installing the trim.