GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .

  2. Object Number: 280506  Size: SH
  3. Remove the rear seat back bolster bolt (3) from the lower U-bracket.
  4. Lift up the rear seat back bolster (2). Disengage the T-hook from the access hole in the rear shelf in order to remove the rear seat back bolster (2).

Installation Procedure

  1. Pull the shoulder belt away from the rear seat back bolster area.

  2. Object Number: 280506  Size: SH
  3. Install the rear seat back bolster (2).
  4. Position and engage the T-hook into the access hole in the rear shelf panel.
  5. Pull forward on the top edge of the rear seat back bolster along the shelf panel in order to ensure that the attaching hook is properly engaged.
  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.

  7. Install the rear seat back bolster bolt (3) into the lower U-bracket.
  8. Tighten
    Tighten the bolster bolt to 12 N·m (106 lb in).

  9. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .