GM Service Manual Online
For 1990-2009 cars only

Door Sill Plate Replacement Front

Removal Procedure

  1. Disengage the front hinge pillar garnish molding to front sill plate.
  2. Remove the garnish molding.

  3. Object Number: 258253  Size: SH
  4. Gently pry upward the front sill plate.
  5. Remove the front sill plate.

Installation Procedure


    Object Number: 258253  Size: SH
  1. Install the front sill plate.
  2. Press downward the sill plate in order to secure the snap clips.
  3. Install the front hinge pillar garnish molding.
  4. Press inward in order to secure the retainer.

Door Sill Plate Replacement Rear

Removal Procedure

  1. Remove the front sill plate. Refer to Door Sill Plate Replacement .
  2. Remove the center trim panel. Refer to Center Pillar Garnish Molding Replacement .
  3. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.

  4. Object Number: 258256  Size: SH
  5. Gently pry upward the rear sill plate.
  6. Remove the rear sill plate.

Installation Procedure


    Object Number: 258256  Size: SH
  1. Install the rear sill plate.
  2. Press downward in order to secure the snap clips.
  3. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  4. Install the front sill plate. Refer to Door Sill Plate Replacement .
  5. Install the center trim panel. Refer to Center Pillar Garnish Molding Replacement .