GM Service Manual Online
For 1990-2009 cars only

Quarter Lower Rear Trim Panel Replacement Sedan

Removal Procedure

Tools Required

J 38778 Door Trim Pad and Garnish Clip Remover

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .
  2. Remove the rear seat back. Refer to Rear Seat Back Replacement .
  3. Remove the rear quarter upper trim. Refer to Rear Quarter Upper Trim Panel Replacement .
  4. Remove the lower center pillar trim panel. Refer to Center Pillar Lower Trim Panel Replacement .

  5. Object Number: 404694  Size: SH
  6. Remove quarter lower trim by disengaging push-in retainers using J 38778 .
  7. Remove quarter lower trim from vehicle.

Installation Procedure


    Object Number: 404694  Size: SH
  1. Install the trim panel by engaging the push-in retainers.
  2. Install the lower center pillar trim panel. Refer to Center Pillar Lower Trim Panel Replacement .
  3. Install the rear quarter upper trim. Refer to Rear Quarter Upper Trim Panel Replacement .
  4. Install the rear seat back. Refer to Rear Seat Back Replacement .
  5. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .

Quarter Lower Rear Trim Panel Replacement Coupe

Removal Procedure

Tools Required

J 38778 Door Trim Pad and Garnish Clip Remover

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  2. Remove the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  3. Remove the quarter upper trim panel. Refer to Rear Quarter Upper Trim Panel Replacement .
  4. Remove the side door carpet retainer. Refer to Carpet Retainer Replacement .

  5. Object Number: 404688  Size: SH
  6. Remove the screws from the lower trim panel.
  7. Remove the seat belt from the slot in the trim panel.
  8. Remove the trim panel.

Installation Procedure


    Object Number: 404688  Size: SH
  1. Install the seat belt in the trim panel slot.
  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 quarter panel screws.
  4. Tighten
    Tighten the quarter panel trim screws to 2 N·m (18 lb in).

  5. Install the carpet retainer. Refer to Carpet Retainer Replacement .
  6. Install the quarter upper trim panel. Refer to Rear Quarter Upper Trim Panel Replacement .
  7. Install the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  8. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.