GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Seats 🢒 Seat Hardware, Trim, and Upholstery 🢒 Rear Seat Back Cushion Replacement

Removal Procedure

    Warning: Refer to SIR Warning in the Preface section.

  1. Remove the upper trunk trim. Refer to Rear Compartment Trim Panel Replacement.

    2. Object Number: 729836 Size: SH
  2. Remove the upper retaining nuts (1) from the rear seat back.
  3. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement.

    4. Object Number: 789294 Size: SH
  4. Remove the center seat belt (2) and shoulder belt buckle nut (1), if equipped.
  5. Place the center shoulder belt on the rear shelf panel.

    6. Object Number: 789296 Size: SH
  6. Remove the lower seat back retaining nuts (1).

    7. Object Number: 729822 Size: SH
  7. Pull out on the top of the rear seat back.
  8. Position the rear shoulder belts to clear the rear seat back during removal.
  9. Remove the rear seat back.

Installation Procedure

    Object Number: 729822 Size: SH
  1. Install the rear seat back into the car.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 729836 Size: SH
  2. Install the upper retaining nuts (1) to the seat back studs (2) and tighten to 9 N·m (80 lb in).
  3. Install the upper trunk trim. Refer to Rear Compartment Trim Panel Replacement.

    4. Object Number: 789296 Size: SH
  4. Install the rear seat back retaining nuts (1) and tighten to 30 N·m (22 lb ft).

    5. Object Number: 789294 Size: SH

    Note: 

       • Ensure that the bolt threads and bolt holes are free of any sealer patch material.
       • Ensure the seat belt buckles are properly positioned.

  5. Install the center seat belt (2) and shoulder belt buckle anchor nut (1) and tighten to 30 N·m (22 lb ft).
  6. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement.