GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: The left, front seat is equipped with a side impact air bag. This must be disabled before any work is done on this seat.

  1. Disable the SIR system if the seat is equipped with an air bag. Refer to Disabling the SIR System in Restraints.
  2. Remove the front seat head restraint. Refer to Front Seat Head Restraint Replacement .
  3. Important: When removing the seat back bezel on the coupe, a replacement part should be available as the original part has a tendency to crack.


    Object Number: 750423  Size: SH
  4. Use the following steps to remove the bezel from the seat back release lever, if coupe.
  5. • At the same time, slide a flat-bladed tool under each side of the bezel.
    • Rotate the tools out, away from the seat back then press in to free the bezel from its retainers.
    • Remove the bezel from the seat back.

    Object Number: 519889  Size: SH
  6. Unfasten the J-hook retainers at the bottom of the seat back cover.
  7. Remove the rear screw in the seat cushion trim panel. Refer to Seat Cushion Outer Trim Panel Replacement .
  8. Pull out the seat back cover end flaps (3 each side).
  9. Remove the front seat head restraint retainers. Refer to Front Seat Head Restraint Retainer Replacement .
  10. Position the seat full up and full back and disconnect the SIR connector, if equipped.
  11. Disconnect the electrical connector for the heated seat back, if equipped.
  12. Position the seat full forward.
  13. Remove the seat belt nut from the seat stud. For the left seat refer to Seat Belt Retractor Replacement - Left Front and for the right refer to Seat Belt Retractor Replacement - Right Front .
  14. Position the seat back full down.

  15. Object Number: 519886  Size: SH
  16. Reach inside of the front seat back cover and unfasten the hook and the loop retainers securing the front seat back cover to the pad.
  17. Position the seat back to the upright position.

  18. Object Number: 519879  Size: SH
  19. Unfasten the seat back cover from the retainer at the side impact airbag using a small curved bladed tool first to gain access to the front seat back material.

  20. Object Number: 519891  Size: SH
  21. Unfasten the seat back cover from the retainer at the side impact airbag, by pressing in and pulling down on the seat back cover.

  22. Object Number: 519886  Size: SH
  23. Position the seat back full down.
  24. Reach inside of the front seat back cover and unfasten the hook and the loop retainers securing the front seat back cover to the pad.
  25. Position the seat back to the vertical position.
  26. If the seat back is heated, pull the electrical harness for the seat back heater up throught the seat cushion.

  27. Object Number: 519883  Size: SH
  28. Remove the front seat back cover from the seat back, by pulling the seat back cover up and over the pad.

Installation Procedure


    Object Number: 519886  Size: SH
  1. Position the front seat back cover to the pad.

  2. Object Number: 520373  Size: SH
  3. Pull the seat back cover over the pad and aline the hook and the loop retainers.

  4. Object Number: 520405  Size: SH
  5. Use firm hand pressure in order to fasten the hook and the loop retainers, securing the front seat back cover to the pad.
  6. Install the front seat head restraint retainers. Refer to Front Seat Head Restraint Retainer Replacement .

  7. Object Number: 750421  Size: SH
  8. If coupe, install the front seat back release knob bezel (1), pressing into place until fully seated.

  9. Object Number: 519891  Size: SH
  10. Install the seat back cover to the retainer at the side impact airbag, by pressing in and pulling down on the seat back cover.
  11. Install the seat back heater electrical line through the seat cushion.
  12. Install the front seat back cover end flaps (3 each side).
  13. Install the rear screw in the seat cushion trim panel. Refer to Seat Cushion Outer Trim Panel Replacement .

  14. Object Number: 519889  Size: SH
  15. Fasten the J-hook retainer at the bottom of the seat back cover.
  16. Install the front seat head restraint. Refer to Front Seat Head Restraint Replacement .
  17. Connect the electrical connector for the heated seat back, if equipped.
  18. Enable the SIR system if the seat is equipped with an air bag. Refer to Enabling the SIR System in Restraints.