For 1990-2009 cars

## Headlining Trim Panel Replacement Wagon

### Removal Procedure

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

2. Remove the windshield pillar trim.
3. Remove the headliner wire harness.

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.

4. Disconnect the antenna lead and the rear window washer hose connection from the windshield pillar.
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. If equipped with a sunroof, pull around the sunroof opening to disengage the hook-and-loop fasteners.
8. If equipped with a sunroof, lower headliner and disconnect the sunroof motor connection.
9. Remove the assist handle by pulling down on the handle to expose the fasteners and remove the fasteners.
10. 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.
11. Disconnect the electrical connector at the liftgate.
12. If equipped with Onstar, disconnect harness from rearview mirror.
13. If equipped with Onstar, disconnect coaxial cable from the GPS antenna on the windshield.
14. If equipped with Onstar, disconnect coaxial cable from the cell phone antenna on the right rear quarter glass.
15. If equipped with Onstar, twist the microphone bezel counterclockwise to drop down from the headliner.
16. If equipped with Onstar, disconnect the microphone harness.
17. If equipped with Onstar, remove the right rear seat bolster. Refer to Rear Seat Bolster removal procedure in Seats.
18. If equipped with Onstar, remove the front load floor. Refer to Front Load Floor.
19. If equipped with Onstar, disconnect the harnesses under the seat bolster and at the Onstar module under the front load floor.
20. If equipped with Onstar, pull back the carpeting and remove the harness from the body side attaching points.
21. If equipped with Onstar, remove the center pillar upper trim moldings. Refer to the Center Pillar Upper Trim Molding Removal.
22. 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.
23. Remove the headliner center retainer.
24. Disconnect the rear window washer hose connector at the liftgate.
25. Disconnect the antenna lead to the antenna.
26. Remove the headliner through the liftgate opening.

### Installation Procedure

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. Remove the headliner through the liftgate opening.

Notice: Refer to Fastener Notice in the Preface section.

6. Install the sunshade inner retainer clip.

Tighten
Tighten the inner sunshade support fasteners to 15 N·m (11 lb ft).

7. Connect the sunshade wiring harness if the vehicle has an illuminated sunshade.
8. Install the sunshade assembly.

Tighten
Tighten the sunshade-to-headliner fasteners to 15 N·m (11 lb ft).

9. Install the assist handle assembly.
10. Connect the electrical harness at the liftgate.
11. If equipped with Onstar, route and attach the wiring harness from the headliner to the module.
12. On Onstar vehicles only, make connections at the Onstar module and body harness located under the right seat bolster.
13. If equipped with Onstar, install the front load floor. Refer to the Front Load Floor.
14. Install the right rear seat bolster. Refer to Rear Seat Bolster in Seats
15. Install quarter glass upper molding and rear headliner header molding. Refer to Quarter Glass Side Molding and Headliner Rear Molding Wagon.
16. 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.
17. Connect the headliner wiring harness to the body harness.
18. Install the antenna connection and the rear window washer hose connection.
19. Install the headliner center retainer.
20. Install the center pillar upper trim moldings. Refer to the Center Pillar Upper Trim Molding Installation.
21. If equipped with Onstar, connect the control harness at the rearview mirror.
22. Connect the coaxial cable to the GPS antenna on the windshield.
23. Connect the coaxial cable to the cell phone antenna on the rear glass.
24. Install the windshield pillar trim.

Tighten
Tighten the wndshield pillar trim to 5 N·m (44 lb in).

25. 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

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

1. Remove the windshield pillar trim.
2. Remove the headliner wire harness.

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.

3. Remove the screws from the sunshade and remove the sunshade.
4. If the vehicle is equipped with an illuminated sunshade, disconnect the electrical connection. Remove the sunshade inner retainer clips.
5. If equipped with a sunroof, pull around the sunroof opening to disengage the hook-and-loop fasteners.
6. If equipped with a sunroof, lower headliner and disconnect the sunroof motor connection.
7. Remove the assist handle by pulling down on the handle to expose the fasteners and remove the fasteners.
8. Remove the CHMSL cover by gently pulling at the attaching clip locations.
9. Remove the C-pillar molding. Refer to Trim Replacement-C-Pillar .
10. If equipped with Onstar, disconnect the harness from the rearview mirror.
11. If equipped with Onstar, disconnect the coaxial cables from the antennas on the front and rear glass.
12. If equipped with Onstar, twist the microphone bezel counterclockwise to drop down from the headliner.
13. If equipped with Onstar, disconnect the microphone harness.
14. If equipped with Onstar, remove the right rear seat bolster.
15. If equipped with Onstar, disconnect the harness from the rearview mirror.
16. If equipped with Onstar, disconnect the coaxial cables from the antennas on the front and rear glass.
17. If equipped with Onstar, twist the microphone bezel counterclockwise to drop down from the headliner.
18. If equipped with Onstar, disconnect the microphone harness.
19. If equipped with Onstar, remove the right rear seat bolster.
20. If equipped with Onstar, disconnect the wiring harness and cables at Onstar module under parcel shelf located in the trunk.
21. If eqipped with Onstar, pull back the carpet in the trunk and remove the Onstar harness from the body side inner panel.
22. 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

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. Install the sunshade inner retainer clip.

Tighten
Tighten the inner sunshade support fasteners to 15 N·m (11 lb ft).

6. Connect the sunshade wiring harness if the vehicle has an illuminated sunshade.
7. Install the sunshade assembly.

Tighten
Tighten the sunshade-to-headliner fasteners to 15 N·m (11 lb ft).

8. Install the assist handle assembly.
9. If equipped with Onstar, route and attach the wiring harness from the headliner to the module.
10. If equipped with Onstar, make connections at the Onstar module and body harness located under the right seat bolster.
11. Install the right rear seat bolster.
12. 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.
13. Connect the headliner wiring harness to the body harness.
14. Install the CHMSL cover.
15. Connect the sunroof switch wiring harness if the vehicle is equipped with a sunroof. Install the sunroof switch.
16. Press at hook-and-loop fastener attachments to secure the headliner to the sunroof mdule if the vehicle is equipped with a sunroof .
17. Install the center pillar upper trim moldings. Refer to Body Lock Pillar Upper Molding Replacement .
18. Install C-pillar molding. Refer to Trim Replacement-C-Pillar .
19. If equipped with Onstar connect the control harness at the rearview mirror.
20. Connect the coaxial cable to the GPS antenna on the windshield.
21. Connect the coaxial cable to the cell phone antenna on the rear glass.
22. Install the windshild pillar trim.

Tighten
Tighten the windshield pillar trim to 5 N·m (44 lb in).

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