GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 626943  Size: SH
  1. Remove the front seat lumbar control knob by pulling off.

  2. Object Number: 626945  Size: SH
  3. Remove the front seat back recliner handle. Refer to Driver Seat and Passenger Seat Recliner Handle Replacement .

  4. Object Number: 626984  Size: SH
  5. Place the front bucket seat to the most rearward position.
  6. Remove the screw from the rear of the front seat cushion trim panel.

  7. Object Number: 626985  Size: SH
  8. Place the front bucket seat to the most forward position.
  9. Remove the screw from the front of the front seat cushion trim panel.

  10. Object Number: 631092  Size: SH
  11. Remove the screw from the center of the front seat cushion trim panel.
  12. Remove the front seat cushion trim panel from the front seat.
  13. Remove the power seat switch from the front seat cushion trim panel, if equipped.
  14. Remove the front seat cushion trim panel from the vehicle.

Installation Procedure

  1. Install the power seat switch to the front seat cushion trim panel , if equipped.

  2. Object Number: 627119  Size: SH
  3. Align the center screw mounting point to the seat frame.
  4. Install the front seat cushion trim panel to the front seat.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 631092  Size: SH
  6. Install the center screw to the front seat cushion trim panel.
  7. Tighten
    Tighten the front seat cushion trim panel center screw to 43 N·m (32 lb ft).


    Object Number: 626985  Size: SH
  8. Place the front bucket seat to the most forward position.
  9. Install the front screw to the front seat cushion trim panel.
  10. Tighten
    Tighten the front seat cushion trim panel front screw to 43 N·m (32 lb ft).


    Object Number: 626984  Size: SH
  11. Place the front bucket seat to the most rearward position.
  12. Install the rear screw to the front seat cushion trim panel.
  13. Tighten
    Tighten the front seat cushion trim panel rear screw to 43 N·m (32 lb ft).


    Object Number: 626943  Size: SH

    Important: The lumbar control knob splines must be properly aligned for proper fit.

  14. Install the front seat lumbar control knob, pressing into place until fully seated.

  15. Object Number: 626945  Size: SH
  16. Install the front seat back recliner handle. Refer to Driver Seat and Passenger Seat Recliner Handle Replacement .