GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the front seat from the vehicle. Refer to Front Seat Replacement - Bucket .

  2. Object Number: 310458  Size: SH
  3. Remove the seat with the adjusters attached.
  4. Disconnect the electrical connectors as equipped.
  5. Remove the finish panels. Refer to Front Seat Trim Panel Replacement .
  6. Remove the adjuster to seat cushion frame bolts.
  7. Remove the adjuster from the seat cushion frame.
  8. Remove the electrical wiring harness connectors from the motors.
  9. Remove the nut securing actuator motor bracket to the seat adjuster assembly.
  10. Remove the cables from the motors. Refer to Seat Horizontal and Vertical Drive Cable Replacement .
  11. Remove the motor assembly.

Installation Procedure

  1. Install the motor assembly.
  2. Install the cables to the motors. Refer to Seat Horizontal and Vertical Drive Cable Replacement .
  3. 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.

  4. Install the actuator motor bracket to the seat adjuster nut.
  5. Tighten
    Tighten the actuator motor bracket to the seat adjuster nut to 10 N·m (89 lb in).

  6. Install the electrical wiring harness connectors to the motors.
  7. Install the adjuster to the seat cushion frame.
  8. Install the actuator motor bracket to the seat frame bolts.
  9. Tighten
    Tighten the actuator motor bracket to the seat frame bolts to 24 N·m (18 lb ft).

  10. Install the finish panels. Refer to Front Seat Trim Panel Replacement .
  11. Install the front seat in the vehicle. Refer to Front Seat Replacement - Bucket .

  12. Object Number: 310458  Size: SH
  13. Install the seat with the adjusters attached.