GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 LeSabre 🢒 Restraints 🢒 SIR 🢒 Front Seat Cushion Replacement

Removal Procedure
  1. Disable the SIR System. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling 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. Notice: Refer to Electrical Wiring Routing Notice in the Preface section.

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

    6. Notice: Refer to Fastener Notice in the Preface section.

  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 SIR Disabling and Enabling or SIR Disabling and Enabling to in SIR.