GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 Body and Accessories 🢒 Doors 🢒 Door Lock Cylinder Replacement

Removal Procedure

    Caution: Disconnect the power window switch when working inside the driver door. When operated, the Express Up/Down Feature allows the door window to move very quickly, without stopping, which could cause personal injury.

  1. Remove the 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 handle (1). Refer to Front Side Door Outside Handle Replacement
  4. Remove the clip (3) that retains the lock cylinder.
  5. Remove the cylinder (2) from the handle (1).

Installation Procedure

    Object Number: 259158 Size: SH

    Caution: Disconnect the power window switch when working inside the driver door. When operated, the Express Up/Down Feature allows the door window to move very quickly, without stopping, which could cause personal injury.

  1. Install the cylinder (2) to the handle (1).
  2. Install the lock cylinder retaining clip (3) to the handle.
  3. Install the handle (1) to the door. Refer to Front Side Door Outside Handle Replacement .
  4. Install the water deflector. Refer to Front Side Door Water Deflector Replacement .
  5. Install the trim panel. Refer to Front Side Door Trim Panel Replacement .