GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Body and Accessories 🢒 Body Rear End 🢒 Rear Seat Back Cushion Replacement

Removal Procedure
  1. Remove the rear compartment trim panel. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.

    2. Object Number: 315319 Size: SH
  2. Remove the nuts (2) securing the seat back studs to the shelf panel support from inside of the rear compartment.
  3. Remove the rear seat cushion (3). Refer to Rear Seat Cushion Replacement .
  4. Remove the nuts securing the seat back lower loop center seat belts.
  5. Remove the seat back (1) from the body.

Installation Procedure

    Object Number: 315319 Size: SH
  1. Install the seat back (1) to the body.
  2. Push the seat back studs into the holes of the shelf panel support.

    3. 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 (2) from inside of the rear compartment.

    4. Tighten
    Tighten the nuts to 11 N·m (8 lb ft).

  4. Install the nuts securing the seat back lower loop center seat belts.

    5. Tighten
    Tighten the nuts to 41 N·m (30 lb ft).

  5. Install the rear seat cushion (3). Refer to Rear Seat Cushion Replacement
  6. Install the rear compartment front trim panel. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.