GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 577805  Size: SH
  1. Remove the rear seatback from the vehicle. Refer to Rear Seat Back Replacement .
  2. Place the rear seatback on a clean flat surface with the seat back cover side down and the lumbar assembly (1) visible.
  3. Disconnect the electrical connector to the rear lumbar assembly (1).
  4. Remove the retainer clips (2, 3) that retain the rear lumbar assembly (1) to the rear seatback frame.

  5. Object Number: 625776  Size: SH
  6. Remove the rear lumbar assembly (1) from the rear seat back frame.

Installation Procedure


    Object Number: 625776  Size: SH
  1. Install the rear lumbar assembly (1) to the seatback frame.

  2. Object Number: 577805  Size: SH
  3. Install the rear lumbar assembly retainer clips (2, 3) in order to secure the lumbar assembly (1) to the seat back frame.
  4. Connect the rear lumbar electrical connector.
  5. Install the rear seat back. Refer to Rear Seat Back Replacement .