GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

    Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.

  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. Visually inspect the damage. 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. Object Number: 2027149  Size: SH
  7. Locate and mark all the necessary factory welds of the body rear end panel.
  8. Note: Note the number and location of welds for installation of the service assembly.

  9. Drill all factory welds.

  10. Object Number: 2027150  Size: SH
  11. Remove the body rear end panel.

Installation Procedure


    Object Number: 2027161  Size: SH

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

  1. Drill 8 mm (5/16 in) for plug welding along the edges of the body rear end panel as noted from the original panel.
  2. Clean and prepare the attaching surfaces for welding.

  3. Object Number: 2027150  Size: SH
  4. Position the body rear end panel on the vehicle.
  5. Verify the fit of the body rear end panel.
  6. Clamp the body rear end panel into position.

  7. Object Number: 2027162  Size: SH
  8. Plug weld accordingly.
  9. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  10. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems.
  11. Install all related panels and components.
  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.