GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 333670  Size: SH
  1. Remove the rear passenger seat (1) from the vehicle. Refer to Rear Bench Seat Replacement .

  2. Object Number: 333673  Size: SH
  3. Remove the nuts and the bolts that retain the seat riser to the seat cushion frame.
  4. Remove the seat riser from the seat cushion frame.

Installation Procedure


    Object Number: 333673  Size: SH
  1. Install the seat riser to the seat cushion frame.
  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 nuts and bolts in order to retain the seat riser to the seat cushion frame.
  4. Tighten
    Tighten the nuts and bolts to 55 N·m (41 lb ft).


    Object Number: 333670  Size: SH
  5. Install the rear passenger seat (1) to the vehicle. Refer to Rear Bench Seat Replacement .