GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 LeSabre 🢒 Preface 🢒 Cautions and Notices 🢒 Knee Bolster Bracket Replacement

Removal Procedure
  1. Remove the left instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  2. Remove the knee bolster. Refer to Knee Bolster Replacement .

    3. Object Number: 428863 Size: SH
  3. Remove the fasteners from the knee bolster bracket at the instrument panel (IP).
  4. Remove the fasteners from the knee bolster bracket at the steering column support.
  5. Remove the knee bolster bracket from the IP.

    6. Object Number: 450330 Size: SH
  6. Remove the knee bolster bracket to IP retainer fasteners.
  7. Remove the knee bolster bracket from the IP retainer.

Installation Procedure

    Object Number: 450330 Size: SH
  1. Install the knee bolster bracket to the IP retainer.

    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.

  2. Install the knee bolster bracket to the IP retainer fasteners.

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


    Object Number: 428863 Size: SH
  3. Install the knee bolster bracket to the instrument panel.
  4. Install the fasteners to the knee bolster bracket at the steering column support.

    5. Tighten
    Tighten the fasteners to 10 N·m (89 lb in).

  5. Install the fasteners to the knee bolster bracket at the IP.

    6. Tighten
    Tighten the fasteners to 10 N·m (89 lb in).

  6. Install the knee bolster. Refer to Knee Bolster Replacement .
  7. Install the left instrument panel closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .