GM Service Manual Online
For 1990-2009 cars only

Quarter Lower Rear Trim Panel Replacement Left-2 Door

Removal Procedure


    Object Number: 488419  Size: SH
  1. Turn the retainer counterclockwise in order to unlock the jack storage cover.
  2. Remove the jack storage cover from the vehicle.
  3. Remove the lug wrench and the jack handle from the rear quarter lower trim panel.
  4. Remove the following components from the vehicle:
  5. 4.1. The 4 plastic retainers (2)
    4.2. The front side door sill trim plate (1)

    Object Number: 487735  Size: SH
  6. Remove the front seat belt retractor lower anchor bolt (2).
  7. Remove the rear seat back cushion in order to gain the necessary access to remove the rear quarter lower trim panel (1). Refer to Rear Seat Back Replacement in Seats.
  8. Remove the plastic retainer (3) which secures the rear quarter lower trim panel (1).
  9. Pull and remove the rear quarter lower trim panel (1) from the vehicle by disengaging the plastic retainers.

Installation Procedure


    Object Number: 487735  Size: SH
  1. Install the rear quarter lower trim panel (1) to the vehicle. Press the panel into place ensuring that the plastic retainers are fully engaged.
  2. Install the plastic retainer (3) which secures the rear quarter lower trim panel (1).
  3. Install the rear seat back cushion. Refer to Rear Seat Back Replacement in Seats.
  4. 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.

  5. Install the front seat belt retractor lower anchor bolt (2).
  6. Tighten
    Tighten the front seat belt retractor lower anchor bolt to 35 N·m (25 lb ft).


    Object Number: 488419  Size: SH
  7. Install the front side door sill trim plate (1) to the vehicle. Secure the trim plate with the 4 plastic retainers (2).
  8. Install the lug wrench and the jack handle to the rear quarter lower trim panel.
  9. Install the jack storage cover to the vehicle and turn the retainer clockwise in order to secure the jack storage cover.

Quarter Lower Rear Trim Panel Replacement Left-4 Door

Removal Procedure


    Object Number: 468540  Size: SH
  1. Remove the following components from the vehicle:
  2. 1.1. The 3 plastic retainers
    1.2. The rear side door sill trim plate
  3. Turn the retainer counterclockwise in order to unlock the jack storage cover (1).
  4. Remove the jack storage cover (1) from the vehicle.

  5. Object Number: 478167  Size: SH
  6. Remove the lug wrench (3) and the jack handle (4) from the rear quarter lower trim panel (2).
  7. Fold the rear seat back cushion forward in order to gain the necessary clearance to remove the rear quarter lower trim panel.
  8. Pull and remove the rear quarter lower trim panel (2) from the vehicle by disengaging the plastic retainers.

Installation Procedure


    Object Number: 478167  Size: SH
  1. Install the rear quarter lower trim panel (2) to the vehicle. Press the panel into place ensuring that the plastic retainers are fully engaged.
  2. Fold the rear seat back cushion to the upright position.
  3. Install the lug wrench (3) and the jack handle (4) to the rear quarter lower trim panel (2).

  4. Object Number: 468540  Size: SH
  5. Install the jack storage cover (1) to the vehicle and turn the retainer clockwise in order to secure the jack storage cover (1).
  6. Install the rear side door sill trim plate to the vehicle. Secure the trim plate with the 3 plastic retainers.

Quarter Lower Rear Trim Panel Replacement Right-2 Door

Removal Procedure


    Object Number: 488419  Size: SH
  1. Remove the following components from the vehicle:
  2. 1.1. The 4 plastic retainers (2)
    1.2. The front side door sill trim plate (1)

    Object Number: 487735  Size: SH
  3. Remove the front seat belt retractor lower anchor bolt (2).
  4. Remove the rear seat back cushion in order to gain the necessary access to remove the rear quarter lower trim panel (1). Refer to Rear Seat Back Replacement in Seats.
  5. Remove the plastic retainer (3) which secures the rear quarter lower trim panel (1).

  6. Object Number: 488402  Size: SH
  7. Pull and remove the rear quarter lower trim panel (1) from the vehicle by disengaging the plastic retainers.

Installation Procedure


    Object Number: 488402  Size: SH
  1. Install the rear quarter lower trim panel (1) to the vehicle. Press the panel into place ensuring that the plastic retainers are fully engaged.

  2. Object Number: 487735  Size: SH
  3. Install the plastic retainer (3) which secures the rear quarter lower trim panel (1).
  4. Install the rear seat back cushion. Refer to Rear Seat Back Replacement in Seats.
  5. 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.

  6. Install the front seat belt retractor lower anchor bolt (2).
  7. Tighten
    Tighten the front seat belt retractor lower anchor bolt to 35 N·m (25 lb ft).


    Object Number: 488419  Size: SH
  8. Install the front side door sill trim plate (1) to the vehicle. Secure the trim plate with the 4 plastic retainers (2).

Quarter Lower Rear Trim Panel Replacement Right-4 Door

Removal Procedure


    Object Number: 478168  Size: SH
  1. Remove the following components from the vehicle:
  2. 1.1. The 3 plastic retainers
    1.2. The rear side door sill trim plate
  3. Fold the rear seat back cushion forward in order to gain the necessary clearance to remove the rear quarter lower trim panel (1).
  4. Pull and remove the rear quarter lower trim panel (1) from the vehicle by disengaging the plastic retainers.

Installation Procedure


    Object Number: 478168  Size: SH
  1. Install the rear quarter lower trim panel (1) to the vehicle. Press the panel into place ensuring that the plastic retainers are fully engaged.
  2. Fold the rear seat back cushion to the upright position.
  3. Install the rear side door sill trim plate to the vehicle. Secure the trim plate with the 3 plastic retainers.