GM Service Manual Online
For 1990-2009 cars only

Rear Quarter Trim Panel Replacement Regular Cab Pickup

Removal Procedure

  1. Remove the coat hook. Refer to Coat Hook Replacement .
  2. Remove the jack and tool stowage. Refer to Jack and Tool Stowage Replacement in Body Rear End.
  3. Remove the rear window lower molding. Refer to Rear Window Lower Garnish Molding Replacement .

  4. Object Number: 348549  Size: SH
  5. Remove the quarter panel trim screws.
  6. Remove the rear screw from the sill trim plate.
  7. Remove the quarter panel.

Installation Procedure


    Object Number: 348549  Size: SH
  1. Install the quarter panel.
  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 quarter panel trim screws to 2 N·m (18 lb in).

  5. Install the rear screw into the sill trim plate.
  6. Install the rear window lower molding. Refer to Rear Window Lower Garnish Molding Replacement .
  7. Install the jack and tool stowage. Refer to Jack and Tool Stowage Replacement in Body Rear End.
  8. Install the coat hook. Refer to Coat Hook Replacement .

Rear Quarter Trim Panel Replacement Extended Cab Pickup

Removal Procedure

  1. Remove the rear seat, if necessary. Refer to Rear Bench Seat Replacement in Seats.
  2. Remove the rear window molding. Refer to Rear Window Lower Garnish Molding Replacement .

  3. Object Number: 373585  Size: SH
  4. Remove the arm rest screw.

  5. Object Number: 348548  Size: SH
  6. Remove the armrest.
  7. Remove the sill trim plates. Refer to Door Sill Plate Replacement .

  8. Object Number: 348551  Size: SH
  9. Remove the quarter panel trim screws.
  10. Pull the panel out. Remove the seat belt assembly. Refer to Rear Seat Belt Retractor Replacement in Seat Belts.
  11. Remove the quarter panel from the vehicle.

Installation Procedure

  1. Install the seat belt assembly. Refer to Rear Seat Belt Retractor Replacement in Seat Belts.
  2. Install the quarter panel to the vehicle.

  3. Object Number: 348551  Size: SH

    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.

  4. Install the quarter panel trim screws.
  5. Tighten
    Tighten the quarter panel trim screws to 2 N·m (18 lb in).

  6. Install the sill trim plates. Refer to Door Sill Plate Replacement .

  7. Object Number: 348548  Size: SH
  8. Install the arm rest.

  9. Object Number: 373585  Size: SH
  10. Install the arm rest screw.
  11. Tighten
    Tighten the arm rest screw to 2 N·m (18 lb in).

  12. Install the rear window molding. Refer to Rear Window Lower Garnish Molding Replacement .
  13. Install the rear seat if necessary. Refer to Rear Bench Seat Replacement in Seats.

Rear Quarter Trim Panel Replacement Utility Left

Removal Procedure

  1. Remove the rear seat. Refer to Rear Bench 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 quarter panel trim 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 Bench Seat Replacement in Seats.

Rear Quarter Trim Panel Replacement Utility Right

Removal Procedure

  1. Remove the rear seat. Refer to Rear Bench 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. Remove the quarter panel trim screws.

  6. Object Number: 276495  Size: SH
  7. Remove the quarter panel trim from the vehicle.
  8. Lift the quarter panel to release the quarter panel from the vehicle.

Installation Procedure


    Object Number: 276495  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 quarter panel trim screws to 2 N·m (18 lb in).

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

Rear Quarter Trim Panel Replacement Suburban Left

Removal Procedure

  1. Remove the rear seat. Refer to Rear Seat Replacement in Seats.
  2. Remove the jack. Refer to Jack and Tool Stowage Replacement in Body Rear End.
  3. Remove the garnish molding. Refer to Body Rear Corner Garnish Molding Replacement .
  4. Remove the trim panel. Refer to Third Pillar Trim Replacement .
  5. Remove the door sill plate. Refer to Door Sill Plate Replacement .

  6. Object Number: 521854  Size: SH
  7. Remove the quarter panel trim screws.
  8. 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 quarter panel trim screws to 2 N·m (18 lb in).

  5. Install the jack. Refer to Jack and Tool Stowage Replacement in Body Rear End.
  6. Install the door sill plate. Refer to Door Sill Plate Replacement .
  7. Install the trim panel. Refer to Third Pillar Trim Replacement .
  8. Install the garnish molding. Refer to Body Rear Corner Garnish Molding Replacement .
  9. Install the rear seat. Refer to Rear Seat Replacement in Seats.

Rear Quarter Trim Panel Replacement Suburban Right

Removal Procedure

  1. Remove the rear seat. Refer to Rear 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 Door Sill Plate Replacement .

  5. Object Number: 521852  Size: SH
  6. Remove the quarter panel trim screws.
  7. Remove the quarter panel trim from the vehicle.

Installation Procedure


    Object Number: 521852  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 quarter panel trim screws to 2 N·m (18 lb in).

  5. Install the door sill plate. Refer to 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 Seat Replacement .