GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Door Lock Cylinder Replacement

Removal Procedure
  1. Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement .
  2. Remove the water deflector. Refer to Front Side Door Water Deflector Replacement .

    3. Object Number: 259158 Size: SH
  3. Remove the outside door handle. Refer to Front Side Door Outside Handle Replacement .
  4. Remove the E-clip retaining the lock cylinder arm to the lock cylinder.
  5. Remove the lock cylinder arm.
  6. Spread the omega clip (3) retaining the lock cylinder to the door handle (1).
  7. Remove the lock cylinder (2) from the door handle (1).
  8. Ensure that the lock cylinder gasket is not damaged.

Installation Procedure

    Object Number: 259158 Size: SH
  1. Install the gasket into the outside door handle.
  2. Snap the lock cylinder (2) into the outside door handle (1).
  3. Install the outside door handle. Refer to Front Side Door Outside Handle Replacement .
  4. Install the water deflector. Refer to Front Side Door Water Deflector Replacement .
  5. Install the door trim panel. Refer to Front Side Door Trim Panel Replacement .