GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the seat back with armrest. Refer to Rear Seat Back Replacement .

  2. Object Number: 176342  Size: SH
  3. Remove the seat back center pivot nuts.
  4. Remove the seat back center pivot from the seat back support.

Installation Procedure


    Object Number: 176342  Size: SH
  1. Install the seat back center pivot to the seat back support.
  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 seat back center pivot nuts.
  4. Tighten
    Tighten the seat back center pivot nuts to 10 N·m (89 lb in).

  5. Remove the seat back with armrest. Refer to Rear Seat Back Replacement .