GM Service Manual Online
For 1990-2009 cars only

Front Seat Back Replacement Bucket Seat

Removal Procedure


    Object Number: 523789  Size: SH
  1. Remove the front seat from the vehicle. Refer to Front Seat Replacement - Bucket .
  2. Remove the front seat outer trim panel. Refer to Front Seat Trim Panel Replacement .
  3. Disconnect the J-hook retainers at each end of the front seat cushion and pull the front seat cushion cover open to expose the seat frame hinge.

  4. Object Number: 523832  Size: SH
  5. Disconnect the J-hook retainers at the rear of the front seat cushion and pull open the front seat cushion cover to expose the seat frame hinge.

  6. Object Number: 523811  Size: SH
  7. Remove the front seat back recliner roll pins from the seat back hinge.

  8. Object Number: 523812  Size: SH
  9. Remove the front seat back bolts from the seat back hinge.

  10. Object Number: 523815  Size: SH
  11. Lift up the front seat back and set it down on the front seat cushion.

  12. Object Number: 523813  Size: SH

    Important: Before removing cables and wire harness, make note of their position.

  13. Pull out the lumbar cable, heated seat cable and the side air bag wire harness from the front seat cushion frame area.
  14. Remove the front seat back.

Installation Procedure


    Object Number: 523815  Size: SH
  1. Position the front seat back on the front seat cushion.

  2. Object Number: 523813  Size: SH
  3. Route the lumbar cable, heated seat cable and the side air bag wire harness to the front seat cushion/frame area.

  4. Object Number: 787089  Size: SH

    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.

  5. Install the front seat back bolts (1) to the seat back hinge.
  6. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 523811  Size: SH
  7. Install new front seat back recliner roll pins to the seat back hinge.

  8. Object Number: 523832  Size: SH
  9. Connect the J-hook retainers at the rear of the front seat cushion.

  10. Object Number: 523789  Size: SH
  11. Connect the J-hook retainers at each end of the front seat cushion.
  12. Install the front seat outer trim panel. Refer to Front Seat Trim Panel Replacement .
  13. Inspect the front seat back for proper operation.
  14. Install the front seat from the vehicle. Refer to Front Seat Replacement - Bucket .

Front Seat Back Replacement Split Bench

Removal Procedure


    Object Number: 523789  Size: SH
  1. Remove the front seat from the vehicle. Refer to Split Bench Seat Replacement .
  2. Remove the front seat outer trim panel. Refer to Front Seat Trim Panel Replacement .
  3. Remove the front seat armrest from the front seat. Refer to Front Seat Armrest Replacement .
  4. Remove the front center seat belt buckle from the front seat. Refer to Seat Belt Buckle Replacement - Center Front in Seat Belts.
  5. Disconnect the J-hook retainers at each end of the front seat cushion and pull the front seat cushion cover open to expose the seat frame hinge.

  6. Object Number: 523832  Size: SH
  7. Disconnect the J-hook retainers at the rear of the front seat cushion and pull open the front seat cushion cover to expose the seat frame hinge.

  8. Object Number: 523811  Size: SH
  9. Remove the front seat back recliner roll pins from the seat back hinge.

  10. Object Number: 523812  Size: SH
  11. Remove the front seat back bolts from the seat back hinge.

  12. Object Number: 523815  Size: SH
  13. Lift up the front seat back and set it down on the front seat cushion.

  14. Object Number: 523813  Size: SH

    Important: Before removing cables and wire harness, make note of their position.

  15. Pull out the lumbar cable, heated seat cable and the side air bag wire harness from the front seat cushion/frame area.
  16. Disconnect the electrical connector for the heated seat, if equipped.
  17. Remove the front seat back.

Installation Procedure


    Object Number: 523815  Size: SH
  1. Position the front seat back on the front seat cushion.

  2. Object Number: 523813  Size: SH
  3. Route the lumbar cable, heated seat cable and the side air bag wire harness to the front seat cushion/frame area.
  4. Connect the electrical connector for the heated seat, if equipped.

  5. Object Number: 787089  Size: SH

    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.

  6. Install the front seat back bolts (1) to the seat back hinge.
  7. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 523811  Size: SH
  8. Install new front seat back recliner roll pins to the seat back hinge.

  9. Object Number: 523832  Size: SH
  10. Connect the J-hook retainers at the rear of the front seat cushion.

  11. Object Number: 523789  Size: SH
  12. Connect the J-hook retainers at each end of the front seat cushion.
  13. Install the front seat outer trim panel. Refer to Front Seat Trim Panel Replacement .
  14. Install the front seat armrest to the front seat. Refer to Front Seat Armrest Replacement .
  15. Install the front center seat belt buckle to the front seat. Refer to Seat Belt Buckle Replacement - Center Front in Seat Belts.
  16. Inspect the front seat back for proper operation.
  17. Install the front seat into the vehicle. Refer to Split Bench Seat Replacement .