GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 106073  Size: SH
  1. Remove the upper trunk trim.
  2. Remove the fasteners and the cable clips from the trunk pass-through release cable.
  3. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .
  4. Remove the center seat belt and outer shoulder belt buckle anchor bolts.
  5. Lift the center shoulder belt off of the seat back and store on the rear shelf panel.
  6. Important: Do not pull outward on the top of the seat back until the 4 retainer clips are released.


    Object Number: 512867  Size: SH
  7. Using a straight flat-bladed tool, insert the tool between the top of the seat back and rear of the shelf panel in order to release the 4 retainer clips.

  8. Object Number: 512864  Size: SH
  9. Carefully push downward on the flat-bladed tool (3) in order to release the rear seat back retainer clips (4).

  10. Object Number: 512870  Size: SH
  11. Release the 4 retainers and pull the seat back away from the cross car beam.
  12. Disconnect the heated seat electrical connectors (if equipped).
  13. Position the rear shoulder belts in order to clear the rear seat back.
  14. Pull the seat away from shelf panel far enough to pull the pass-through release cable through the opening.
  15. Remove the rear seat back.

Installation Procedure


    Object Number: 106079  Size: SH
  1. Install the rear seat back into the car.
  2. Feed the pass-through release cable through opening behind seat back.
  3. Connect the heated seat electrical connectors (if equipped).
  4. Position the rear shoulder belts over the seat back.

  5. Object Number: 512867  Size: SH
  6. Align the 4 slots in the seat back with the 4 retainer clips on the cross car beam.
  7. Firmly push the seat back against the car cross beam in order to engage the retainer clips.
  8. Important: Verify that the 2 vertical outboard edges of the seat back are firmly seated against the car cross beam in order to eliminate gaps and interference with the rear door armrest.

  9. With the palms of your hands, push inward towards the car cross beam the outer seatback edges.

  10. Object Number: 106073  Size: SH
  11. Position the center shoulder belt over the seat back.
  12. 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.

    Important: Ensure that the bolt threads and bolt holes are free of any sealer patch material.

  13. Install the center seat belt and outer shoulder belt buckle anchor bolts.
  14. Tighten
    Tighten the bolts to 41 N·m (32 lb ft).

  15. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .
  16. Install the pass-through release cable fasteners and cable clips.
  17. Install the upper trunk trim.