GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Approved Equipment for Collision Repair Warning in the Preface section.


    Object Number: 314859  Size: SH

    Note: The rear end panels is supplied as a complete assembly. Quarter panels extensions attach to the outside corners of the rear end panel. Service for this panel is performed at factory seams.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  3. Remove all related panels and components.
  4. Repair as much of the damage as possible to factory specifications. Refer to Dimensions - Body.
  5. Warning: Refer to Foam Sound Deadeners Warning in the Preface section.

  6. Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.

Installation Procedure


    Object Number: 314859  Size: SH
  1. Prepare the mating surfaces as necessary. Inspect or proper fit of the service panel.
  2. On the new panel, drill 8 mm (5/16 in) plug weld holes as necessary in the locations noted from the original panel.
  3. Apply GM approved Weld-Thru coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair.
  4. Position the service panel, check with 3-dimensional measuring equipment. Refer to Dimensions - Body.
  5. Plug weld accordingly.
  6. Clean and prepare all welded surfaces.
  7. Apply the sealers and the anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  8. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems.
  9. Install all related panels and components.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  11. Enable the SIR system. Refer to Rear Floor Trim Plate Replacement.