GM Service Manual Online
For 1990-2009 cars only

Rear Quarter Trim Panel Replacement - Left Side Utility

Removal Procedure

  1. Remove the rear seat. Refer to Rear Number 2 Seat Replacement or Rear Number 2 50-50 Seat Replacement in Seats.
  2. Remove the Third-Pillar trim panel. Refer to Third Pillar Trim Replacement .
  3. Remove the garnish molding. Refer to Body Rear Corner Garnish Molding Replacement .
  4. Remove the door sill plate. Refer to Liftgate Door Sill Plate Replacement .

  5. Object Number: 521856  Size: SH
  6. Remove the quarter panel trim screws.
  7. Remove the quarter panel trim from the vehicle.

Installation Procedure


    Object Number: 521856  Size: SH
  1. Install the quarter panel trim to the vehicle.
  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 trim screws.
  4. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  5. Install garnish molding. Refer to Body Rear Corner Garnish Molding Replacement .
  6. Install the door sill plate. Refer to Liftgate Door Sill Plate Replacement .
  7. Install the Third-Pillar trim panel. Refer to Third Pillar Trim Replacement .
  8. Install the rear seat. Refer to Rear Number 2 Seat Replacement or Rear Number 2 50-50 Seat Replacement in Seats.

Rear Quarter Trim Panel Replacement - Left Side Suburban

Removal Procedure

  1. Remove the rear seat. Refer to Rear Number 2 Seat Replacement or Rear Number 2 50-50 Seat Replacement in Seats.
  2. Remove the garnish molding. Refer to Body Rear Corner Garnish Molding Replacement .
  3. Remove the trim panel. Refer to Third Pillar Trim Replacement .
  4. Remove the door sill plate. Refer to Front Side Door Sill Plate Replacement or Rear Side Door Sill Plate Replacement .

  5. Object Number: 521854  Size: SH
  6. Remove the quarter panel trim screws.
  7. Remove the quarter panel trim from the vehicle.

Installation Procedure


    Object Number: 521854  Size: SH
  1. Install the quarter panel trim to the vehicle.
  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 trim screws.
  4. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  5. Install the door sill plate. Refer to Front Side Door Sill Plate Replacement or Rear Side Door Sill Plate Replacement .
  6. Install the trim panel. Refer to Third Pillar Trim Replacement .
  7. Install the garnish molding. Refer to Body Rear Corner Garnish Molding Replacement .
  8. Install the rear seat. Refer to Rear Number 2 Seat Replacement or Rear Number 2 50-50 Seat Replacement in Seats.