GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  1. Disable the SIR system. Refer to SIR Disabling and Enabling.

  2. Object Number: 1223724  Size: SH

    Warning: Sectioning should be performed only in the recommended areas. Failure to do so may compromise the structural integrity of the vehicle and cause personal injury if the vehicle is in a collision.

    Note: This panel is replaced at factory seams.

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


    Object Number: 1223810  Size: SH
  7. Locate, mark, and drill out all the necessary factory welds.

  8. Object Number: 1223712  Size: SH
  9. Remove the rear end panel.
  10. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Installation Procedure


    Object Number: 1224301  Size: SH

    Note: If the location of the original plug weld holes can not be determined, place plug weld holes 40 mm (1½ in) apart.

  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 3M Weld-Thru Coating P/N 05913 or equivalent to all mating surfaces.

  4. Object Number: 1223712  Size: SH
  5. Position the rear end panel.

  6. Object Number: 1223837  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.