GM Service Manual Online
For 1990-2009 cars only

Headlining Trim Panel Replacement Extended Sedan

Removal Procedure

    Caution: Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If the material is damaged, replace the headliner and/or the garnish trim. Failure to do so could result in personal injury.

    Notice: Use care when working around the head curtain inflator module. Sharp tools may puncture the curtain airbag. If the head curtain inflator module is damaged in any way, it must be replaced.

    Notice: If a vehicle is equipped with a head curtain inflator module ensure that the inflator module and tether are undamaged. If tether or curtain airbag are damaged in any way, they must be replaced.

  1. Disable the roof rail SIR system, if equipped. Refer to SIR Disabling and Enabling .
  2. Remove the windshield garnish moldings. Refer to Windshield Pillar Garnish Molding Replacement .
  3. Remove the sunshades. Refer to Sunshade Replacement and Sunroof Rear Sunshade Replacement .
  4. Remove the sunshade supports. Refer to Sunshade Retainer Bezel Replacement .
  5. Remove the garnish moldings from the upper center pillar. Refer to Center Pillar Upper Garnish Molding Replacement .
  6. Remove the upper panels from the rear quarter trim. Refer to Quarter Upper Trim Panel Replacement .
  7. Remove the lower rear quarter trim panels. Refer to Quarter Lower Rear Trim Panel Replacement .
  8. Remove the assist handles. Refer to Assist Handle Replacement .
  9. Remove the rear fasteners from the headliner.
  10. Move the front seats full forward.
  11. Recline the front seats.
  12. Fold the rear seatback down.

  13. Object Number: 1219151  Size: SH
  14. Remove the fastener from the body wiring junction block by releasing the tab. Slide the junction block towards the rear of the vehicle and pull out.

  15. Object Number: 1219150  Size: SH
  16. Remove the headliner wiring harness from the rear junction block.

  17. Object Number: 1179368  Size: SH
  18. Remove the headliner harness from the rear quarter panel.
  19. Remove the sunroof lace from the vehicle, if equipped.

  20. Object Number: 1179381  Size: SH
  21. Lower the headliner through the roof of the vehicle.
  22. Disconnect the sunroof electrical connector, if equipped.
  23. Disconnect the rearview mirror electrical connector.
  24. Remove the headliner from the vehicle through the liftgate opening.

Installation Procedure

  1. If installing a new headliner, transfer the dome lamp and the console to the new headliner.

  2. Object Number: 1179381  Size: SH
  3. Install the headliner to the vehicle through the liftgate opening.
  4. Connect the rearview mirror electrical connector.
  5. Connect the sunroof electrical connector.
  6. Install the sunroof lace.

  7. Object Number: 1179368  Size: SH
  8. Install the headliner wiring to the rear quarter panel.

  9. Object Number: 1219150  Size: SH
  10. Install the headliner wiring harness to the rear body wiring junction block.
  11. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1219151  Size: SH
  12. Install the rear junction block to the vehicle and secure with the fastener.
  13. Tighten
    Tighten the fastener to 2.5 N·m (22 lb in).

  14. Place the front and the rear seats in an upright position.
  15. Install the rear fasteners to the headliner.
  16. Install the assist handles. Refer to Assist Handle Replacement .
  17. Install the lower rear quarter trim panels. Refer to Quarter Lower Rear Trim Panel Replacement .
  18. Install the upper panels to the rear quarter trim. Refer to Quarter Upper Trim Panel Replacement .
  19. Install the garnish moldings to the upper center pillar. Refer to Center Pillar Upper Garnish Molding Replacement .
  20. Install the sunshade supports. Refer to Sunshade Retainer Bezel Replacement .
  21. Install the sunshades. Refer to Sunshade Replacement and Sunroof Rear Sunshade Replacement .
  22. Install the windshield garnish moldings. Refer to Windshield Pillar Garnish Molding Replacement .
  23. Enable the roof rail SIR system. Refer to SIR Disabling and Enabling .

Headlining Trim Panel Replacement Sedan

Removal Procedure

    Caution: Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If the material is damaged, replace the headliner and/or the garnish trim. Failure to do so could result in personal injury.

    Notice: Use care when working around the head curtain inflator module. Sharp tools may puncture the curtain airbag. If the head curtain inflator module is damaged in any way, it must be replaced.

    Notice: If a vehicle is equipped with a head curtain inflator module ensure that the inflator module and tether are undamaged. If tether or curtain airbag are damaged in any way, they must be replaced.

  1. Disable the roof rail SIR system, if equipped. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the windshield garnish moldings. Refer to Windshield Pillar Garnish Molding Replacement .
  3. Remove the sunshades. Refer to Sunshade Replacement .
  4. Remove the sunshade supports. Refer to Sunshade Retainer Bezel Replacement .
  5. Remove the garnish moldings from the upper center pillar. Refer to Center Pillar Upper Garnish Molding Replacement .
  6. Remove the upper panels from the rear quarter trim. Refer to Quarter Upper Trim Panel Replacement .
  7. Remove the assist handles. Refer to Assist Handle Replacement .
  8. Disconnect the sunroof motor electrical connector, if equipped.
  9. Remove the rear fasteners from the headliner.
  10. Remove the front passenger seat. Refer to Front Seat Replacement - Bucket in Seats.
  11. Move the driver seat full forward.
  12. Recline the driver seat.
  13. Remove the rear seat bolster assembly. Refer to Rear Split Folding Seat Back Bolster Replacement in Seats.
  14. Remove the rear body trim panel. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.

  15. Object Number: 1219151  Size: SH
  16. Remove the fastener from the body wiring junction block. Slide the junction block towards the rear of the vehicle and pull out.

  17. Object Number: 1219150  Size: SH
  18. Remove the headliner wiring harness from the rear junction block.

  19. Object Number: 1219147  Size: SH
  20. Pass the headliner wiring harness through the access hole behind the rear seat.

  21. Object Number: 1179368  Size: SH
  22. Remove the headliner wire harness from the rear quarter panel.

  23. Object Number: 1179381  Size: SH
  24. Remove the headliner from the vehicle through the rear passenger door.

Installation Procedure

  1. If installing a new headliner, transfer the dome lamp and the console to the new headliner.

  2. Object Number: 1179381  Size: SH
  3. Install the headliner to the vehicle through the rear passenger door.

  4. Object Number: 1179368  Size: SH
  5. Attach the headliner wire harness to the rear quarter panel.

  6. Object Number: 1219147  Size: SH
  7. Route the headliner wiring harness through the access hole behind the rear seat.

  8. Object Number: 1219150  Size: SH
  9. Install the headliner wiring harness to the rear body wiring junction block.
  10. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1219151  Size: SH
  11. Install the rear junction block to the vehicle and secure with the fastener.
  12. Tighten
    Tighten the fastener to 2.5 N·m (22 lb in).

  13. Install the rear body trim panel. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.
  14. Install the rear seat bolster assembly. Refer to Rear Split Folding Seat Back Bolster Replacement in Seats.
  15. Place the driver seat in an upright position.
  16. Install the front passenger seat. Refer to Front Seat Replacement - Bucket in Seats.
  17. Install the rear fasteners to the headliner.
  18. Connect the sunroof motor electrical connector.
  19. Install the assist handles. Refer to Assist Handle Replacement .
  20. On the extended sedan, install the lower rear quarter trim panels. Refer to Quarter Lower Rear Trim Panel Replacement .
  21. Install the upper panels to the rear quarter trim. Refer to Quarter Upper Trim Panel Replacement .
  22. Install the garnish moldings to the upper center pillar. Refer to Center Pillar Upper Garnish Molding Replacement .
  23. Install the sunshade supports. Refer to Sunshade Retainer Bezel Replacement .
  24. Install the sunshades. Refer to Sunshade Replacement .
  25. Install the windshield garnish moldings. Refer to Windshield Pillar Garnish Molding Replacement .
  26. Enable the roof rail SIR system. Refer to SIR Disabling and Enabling in SIR.