GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Body and Accessories 🢒 Seats 🢒 Front Seat Cushion Replacement

Removal Procedure

    Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.

  1. Disable the SIR System. Refer to Disabling the SIR System in SIR.

    2. Object Number: 670423 Size: SH
  2. Move the seat to the full forward position.
  3. Remove the fasteners (1) securing the seat cushion to the seat adjuster assembly.
  4. Lift the front of the seat cushion upwards.
  5. Remove the power seat switches. Refer to Power Seat Switch Replacement .

    6. Important: Note the routing of the wiring harness for reinstallation, failure to route the wiring properly could result in damage to the wiring harness.

  6. Disconnect the wiring harness fastener and retainers securing the wiring harness to the bottom of the seat cushion frame.
  7. Remove the memory seat module from the seat cushion frame, if equipped. Refer to Memory Seat Control Module Replacement .
  8. Pull the cushion forward in order to remove the seat cushion from the seat adjuster assembly.

Installation Procedure

    Object Number: 670423 Size: SH
  1. Insert the seat cushion locators, at the rear of the seat cushion frame, into the rectangular openings in the seat adjuster assembly.
  2. Install the memory seat module to the seat cushion frame, if equipped. Refer to Memory Seat Control Module Replacement .
  3. Secure the wiring harness to the seat cushion frame in the same position in which it was removed.
  4. Install the power seat switches. Refer to Power Seat Switch Replacement

    5. .

  5. Lower the front of the seat cushion down into position onto the seat adjuster assembly.

    6. 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 seat cushion fasteners (1).

    7. Tighten
    Tighten the fasteners (1) to 9 N·m (80 lb in).

  7. Enable the SIR. Refer to Enabling the SIR System in SIR.