GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

Note: This panel is replaced 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. Warning: Refer to Defroster Outlet Warning in the Preface section.


    Object Number: 1911451  Size: SH
  4. Remove all related panels and components.
  5. Repair as much of the damage as possible.
  6. Remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  7. Note: Note the number and location of the factory welds for installation of the rear end panel.


    Object Number: 1911453  Size: SH
  8. Locate, mark, and drill out all the necessary factory welds.

  9. Object Number: 1911454  Size: SH
  10. Remove the rear end panel.

Installation Procedure


    Object Number: 1911458  Size: SH

    Note: If the location of the original plug weld holes can not be determined, or if structural weld-thru adhesive is present, space the plug weld holes every 40 mm (1½ in).

  1. Drill 8 mm (5/16 in) plug weld holes in the service part as necessary in the locations noted from the original panel.
  2. Prepare all mating surfaces as necessary.
  3. Apply Weld-Thru Coating to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair.

  4. Object Number: 1911454  Size: SH
  5. Position the rear end panel.

  6. Object Number: 1911460  Size: SH
  7. Plug weld accordingly.
  8. Clean and prepare all of the welded surfaces.
  9. Install all of the related panels and components.
  10. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  11. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  13. Enable the SIR system. Refer to SIR Disabling and Enabling.