GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .
  2. Remove the rear seat back. Refer to Rear Seat Back Replacement .
  3. Remove the rear quarter lower trim panel. Refer to Quarter Lower Rear Trim Panel Replacement .
  4. Pull out the rear door weatherstrip from the pinchweld flange as needed.
  5. Loosen the sail panel as needed.

  6. Object Number: 857590  Size: SH
  7. Pull out on the lower third of the quarter trim panel to disengage the clip (3).
  8. Lift the bottom edge of the quarter panel until the panel is at a 45-degree angle.
  9. Slide the panel down to disengage the top T-hook (1).
  10. Remove the trim panel from the vehicle.

Installation Procedure


    Object Number: 857590  Size: SH
  1. Position the rear quarter upper trim panel in the vehicle.
  2. Holding the panel at a 45-degree angle, engage the top T-hook (1).
  3. Slide the panel up to lock in the T-hook and rotate the panel to the proper position.
  4. Press in the engage the lower retaining clip (3).
  5. Install the sail panel.
  6. Install the rear quarter lower trim panel. Refer to Quarter Lower Rear Trim Panel Replacement .
  7. Install the door weatherstrip.
  8. Install the rear seat back. Refer to Rear Seat Back Replacement .
  9. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .