GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the front seat from the vehicle.
  2. • For the front bucket seats, refer to Front Seat Replacement - Bucket .
    • For the split bench seat, refer to Split Bench Seat Replacement .
  3. Remove the front seat back from the front seat. Refer to Front Seat Back Replacement .
  4. Remove the front seat cushion cover from the front seat cushion. Refer to Front Seat Cushion Cover Replacement .
  5. Remove the front seat cushion from the front seat frame. Refer to Front Seat Cushion Replacement .
  6. Remove the front seat recliner assembly from the front seat cushion frame. Refer to Front Seat Recliner Replacement .

  7. Object Number: 305146  Size: SH
  8. Remove the bolts from the front (bucket) seat cushion frame to the front seat track adjusters.
  9. Remove the front seat cushion frame from the front seat track adjusters.

  10. Object Number: 521604  Size: SH
  11. Remove the bolts from the front (split bench) seat frame to the front seat track adjusters.
  12. Remove the front seat cushion frame from the front seat track adjusters.

Installation Procedure

  1. Position the front seat cushion frame to the front seat adjusters.
  2. 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.


    Object Number: 305146  Size: SH
  3. Install the bolts to the (bucket) seat cushion frame to the front seat track adjusters.

  4. Object Number: 521604  Size: SH
  5. Install the bolts to the front (split bench) seat frame to the front seat track adjusters.
  6. Tighten
    Tighten the bolts to the front (bucket and/or split bench) seat frame to 25N·m  (18 lb ft).

  7. Install the front seat recliner assembly to the front seat cushion frame. Refer to Front Seat Recliner Replacement .
  8. Install the front seat cushion to the front seat cushion frame. Refer to Front Seat Cushion Replacement .
  9. Install the front seat cushion cover to the front seat cushion. Refer to Front Seat Cushion Cover Replacement .
  10. Install the front seat back to the front seat. Refer to Front Seat Back Replacement .
  11. Install the front seat to the vehicle.
  12. • For the front bucket seats refer to Front Seat Replacement - Bucket .
    • For the split bench seat refer to Split Bench Seat Replacement .