GM Service Manual Online
For 1990-2009 cars only

Headlining Trim Panel Replacement Wagon

Removal Procedure


    Object Number: 896434  Size: SH
  1. Important: Garnish moldings snap-in clips must be replaced when the molding are removed.

  2. Remove the windshield pillar trim.

  3. Object Number: 896185  Size: SH
  4. Remove the headliner wire harness.
  5. 2.1. Reach under the right side of the I/P and disconnect the headliner harness assembly.
    2.2. Attach a fish wire to the headliner harness connector to aid in later installing the harness through the I/P opening.
    2.3. Remove the headliner wire harness through the I/P opening.
    2.4. Remove the fish wire.

    Object Number: 896189  Size: SH
  6. Disconnect the antenna lead and the rear window washer hose connection from the windshield pillar.

  7. Object Number: 896426  Size: SH
  8. Remove the screws from the sunshade and remove the sunshade.
  9. If the vehicle is equipped with an illuminated sunshade, disconnect the electrical connection. Remove the sunshade inner retainer clips.

  10. Object Number: 896185  Size: SH
  11. If equipped with a sunroof, pull around the sunroof opening to disengage the hook-and-loop fasteners.
  12. If equipped with a sunroof, lower headliner and disconnect the sunroof motor connection.

  13. Object Number: 896484  Size: SH
  14. Remove the assist handle by pulling down on the handle to expose the fasteners and remove the fasteners.

  15. Object Number: 896229  Size: SH
  16. Remove the quarter glass upper molding and the rear headliner header molding. Refer to the Quarter Glass Side Molding-Wagon and Headliner Rear Molding-Wagon.
  17. Disconnect the electrical connector at the liftgate.

  18. Object Number: 898023  Size: SH
  19. If equipped with Onstar, disconnect harness from rearview mirror.
  20. If equipped with Onstar, disconnect coaxial cable from the GPS antenna on the windshield.
  21. If equipped with Onstar, disconnect coaxial cable from the cell phone antenna on the right rear quarter glass.
  22. If equipped with Onstar, twist the microphone bezel counterclockwise to drop down from the headliner.
  23. If equipped with Onstar, disconnect the microphone harness.

  24. Object Number: 890435  Size: MF
  25. If equipped with Onstar, remove the right rear seat bolster. Refer to Rear Seat Bolster removal procedure in Seats.
  26. If equipped with Onstar, remove the front load floor. Refer to Front Load Floor.
  27. If equipped with Onstar, disconnect the harnesses under the seat bolster and at the Onstar module under the front load floor.
  28. If equipped with Onstar, pull back the carpeting and remove the harness from the body side attaching points.

  29. Object Number: 896322  Size: SH
  30. If equipped with Onstar, remove the center pillar upper trim moldings. Refer to the Center Pillar Upper Trim Molding Removal.

  31. Object Number: 896183  Size: SH
  32. If equipped with Onstar, disengage the dome lamp hook-and-loop fastener from the roof structure by reaching in the door opening above the headliner to center the dome lamp.

  33. Object Number: 896245  Size: SH
  34. Remove the headliner center retainer.
  35. Disconnect the rear window washer hose connector at the liftgate.

  36. Object Number: 896923  Size: SH
  37. Disconnect the antenna lead to the antenna.

  38. Object Number: 896182  Size: SH
  39. Remove the headliner through the liftgate opening.

Installation Procedure


    Object Number: 896156  Size: SH
  1. Transfer the dome lamp to the new headliner assembly. Connect two dome lamp connections. .
  2. Install the headliner through the liftgate opening.
  3. If equipped with Onstar, transfer the microphone and bezel to the new headliner. Connect the microphone wiring harness.
  4. Position the headliner to the proper location and press on the dome lamp to secure the headliner to the roof structure.

  5. Object Number: 896182  Size: SH
  6. Remove the headliner through the liftgate opening.
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 896426  Size: SH
  8. Install the sunshade inner retainer clip.
  9. Tighten
    Tighten the inner sunshade support fasteners to 15 N·m (11  lb ft).

  10. Connect the sunshade wiring harness if the vehicle has an illuminated sunshade.
  11. Install the sunshade assembly.
  12. Tighten
    Tighten the sunshade-to-headliner fasteners to 15 N·m (11 lb ft).


    Object Number: 896484  Size: SH
  13. Install the assist handle assembly.
  14. Connect the electrical harness at the liftgate.
  15. If equipped with Onstar, route and attach the wiring harness from the headliner to the module.
  16. On Onstar vehicles only, make connections at the Onstar module and body harness located under the right seat bolster.
  17. If equipped with Onstar, install the front load floor. Refer to the Front Load Floor.

  18. Object Number: 896229  Size: SH
  19. Install the right rear seat bolster. Refer to Rear Seat Bolster in Seats
  20. Install quarter glass upper molding and rear headliner header molding. Refer to Quarter Glass Side Molding and Headliner Rear Molding Wagon.

  21. Object Number: 896185  Size: SH
  22. Attach the fish wire to headliner wiring harness and route the harness through the right side of the I/P Opening and under the I/P. Connect the headliner wiring harness to the right side of the windshield pillar.

  23. Object Number: 897792  Size: SH
  24. Connect the headliner wiring harness to the body harness.

  25. Object Number: 896189  Size: SH
  26. Install the antenna connection and the rear window washer hose connection.

  27. Object Number: 896182  Size: SH
  28. Install the headliner center retainer.

  29. Object Number: 896322  Size: SH
  30. Install the center pillar upper trim moldings. Refer to the Center Pillar Upper Trim Molding Installation.

  31. Object Number: 896214  Size: SH
  32. If equipped with Onstar, connect the control harness at the rearview mirror.
  33. Connect the coaxial cable to the GPS antenna on the windshield.
  34. Connect the coaxial cable to the cell phone antenna on the rear glass.

  35. Object Number: 896434  Size: SH
  36. Install the windshield pillar trim.
  37. Tighten
    Tighten the wndshield pillar trim to 5  N·m (44 lb in).

  38. Install the weatherstrip over the headliner assembly at all the door locations using a small flat-blade tool.

Headlining Trim Panel Replacement Sedan

Removal Procedure


    Object Number: 896434  Size: SH

    Important: Garnish moldings snap-in clips must be replaced when the molding are removed.

  1. Remove the windshield pillar trim.

  2. Object Number: 896185  Size: SH
  3. Remove the headliner wire harness.
  4. 2.1. Reach under the right side of the I/P and disconnect the headliner harness assembly.
    2.2. Attach a fish wire to the headliner harness connector to aid in later installing the harness through the I/P opening.
    2.3. Remove the headliner wire harness through the I/P opening.
    2.4. Remove the fish wire.

    Object Number: 896426  Size: SH
  5. Remove the screws from the sunshade and remove the sunshade.
  6. If the vehicle is equipped with an illuminated sunshade, disconnect the electrical connection. Remove the sunshade inner retainer clips.

  7. Object Number: 896185  Size: SH
  8. If equipped with a sunroof, pull around the sunroof opening to disengage the hook-and-loop fasteners.
  9. If equipped with a sunroof, lower headliner and disconnect the sunroof motor connection.

  10. Object Number: 896484  Size: SH
  11. Remove the assist handle by pulling down on the handle to expose the fasteners and remove the fasteners.

  12. Object Number: 896448  Size: SH
  13. Remove the CHMSL cover by gently pulling at the attaching clip locations.

  14. Object Number: 896214  Size: SH
  15. Remove the C-pillar molding. Refer to Trim Replacement-C-Pillar .

  16. Object Number: 898023  Size: SH
  17. If equipped with Onstar, disconnect the harness from the rearview mirror.
  18. If equipped with Onstar, disconnect the coaxial cables from the antennas on the front and rear glass.
  19. If equipped with Onstar, twist the microphone bezel counterclockwise to drop down from the headliner.
  20. If equipped with Onstar, disconnect the microphone harness.
  21. If equipped with Onstar, remove the right rear seat bolster.

  22. Object Number: 898023  Size: SH
  23. If equipped with Onstar, disconnect the harness from the rearview mirror.
  24. If equipped with Onstar, disconnect the coaxial cables from the antennas on the front and rear glass.
  25. If equipped with Onstar, twist the microphone bezel counterclockwise to drop down from the headliner.
  26. If equipped with Onstar, disconnect the microphone harness.
  27. If equipped with Onstar, remove the right rear seat bolster.

  28. Object Number: 890433  Size: MF
  29. If equipped with Onstar, disconnect the wiring harness and cables at Onstar module under parcel shelf located in the trunk.
  30. If eqipped with Onstar, pull back the carpet in the trunk and remove the Onstar harness from the body side inner panel.

  31. Object Number: 896156  Size: SH
  32. Lower the front seat backs to the forward most position and remove the headliner from the vehicle through the passenger side rear door.

Installation Procedure


    Object Number: 896156  Size: SH
  1. Transfer the dome lamp to the new headliner assembly.
  2. Connect the dome lamp connection
  3. If equipped with Onstar, transfer the microphone and bezel to the new headliner. Connect the microphone wiring harness.
  4. Position the headliner to the proper location and press on the dome lamp to secure the headliner to the roof structure.

  5. Object Number: 896426  Size: SH
  6. Install the sunshade inner retainer clip.
  7. Tighten
    Tighten the inner sunshade support fasteners to 15 N·m  (11  lb  ft).

  8. Connect the sunshade wiring harness if the vehicle has an illuminated sunshade.
  9. Install the sunshade assembly.
  10. Tighten
    Tighten the sunshade-to-headliner fasteners to 15 N·m  (11  lb  ft).


    Object Number: 896484  Size: SH
  11. Install the assist handle assembly.
  12. If equipped with Onstar, route and attach the wiring harness from the headliner to the module.
  13. If equipped with Onstar, make connections at the Onstar module and body harness located under the right seat bolster.

  14. Object Number: 896229  Size: SH
  15. Install the right rear seat bolster.

  16. Object Number: 896185  Size: SH
  17. Attach the fish wire to headliner wiring harness and route the harness through the right side of the I/P Opening and under the I/P. Connect the headliner wiring harness to the right side of the windshield pillar.

  18. Object Number: 897792  Size: SH
  19. Connect the headliner wiring harness to the body harness.

  20. Object Number: 896445  Size: SH
  21. Install the CHMSL cover.

  22. Object Number: 896185  Size: SH
  23. Connect the sunroof switch wiring harness if the vehicle is equipped with a sunroof. Install the sunroof switch.
  24. Press at hook-and-loop fastener attachments to secure the headliner to the sunroof mdule if the vehicle is equipped with a sunroof .

  25. Object Number: 896322  Size: SH
  26. Install the center pillar upper trim moldings. Refer to Body Lock Pillar Upper Molding Replacement .

  27. Object Number: 896214  Size: SH
  28. Install C-pillar molding. Refer to Trim Replacement-C-Pillar .
  29. If equipped with Onstar connect the control harness at the rearview mirror.
  30. Connect the coaxial cable to the GPS antenna on the windshield.
  31. Connect the coaxial cable to the cell phone antenna on the rear glass.

  32. Object Number: 896434  Size: SH
  33. Install the windshild pillar trim.
  34. Tighten
    Tighten the windshield pillar trim to 5  N·m  (44  lb in).

  35. Install the weatherstrip over the headliner assembly at all the dodor locations using a small flat--blade tool.