GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 333628  Size: SH
  1. Raise the seat to the full UP position, if equipped with power seats.
  2. Disconnect the electrical harness (6) from the power seat motors, if equipped.

  3. Object Number: 333626  Size: SH
  4. Remove the nuts (3) retaining the seat adjuster (2) to the seat riser (4).
  5. Remove the front seat and the seat adjuster from the seat riser.
  6. Remove the bolts retaining the seat adjuster to the seat cushion frame (1).
  7. Remove the seat adjuster (2) from the seat.

Installation Procedure


    Object Number: 333626  Size: SH
  1. Position the seat adjuster (2) to the seat cushion frame (1).
  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.

  3. Install the bolts to retain the seat adjuster (2) to the seat cushion frame (1).
  4. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 333628  Size: SH
  5. Position the seat cushion (1) and the seat adjuster (2) to the seat riser (4).
  6. Install the nuts (3) to retain the seat adjuster to the seat riser.
  7. Tighten
    Tighten the nuts (3) to 45 N·m (33 lb ft).

  8. Connect the electrical connectors to the power seat motors, if equipped.