GM Service Manual Online
For 1990-2009 cars only

Rear End Panel Replacement H3T

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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

  3. Object Number: 1331521  Size: SH
  4. Remove all related panels and components.
  5. Repair as much of the damage as possible to factory specifications. Refer to Dimensions - Body.
  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.

  7. Object Number: 1331522  Size: SH
  8. Locate and drill out all factory welds. Note the number and location of welds for installation of the service part.

  9. Object Number: 1331524  Size: SH
  10. Remove the damaged rear end panel.

Installation Procedure

  1. Prepare the mating surfaces as necessary. Inspect for proper fit of the service panel.

  2. Object Number: 1331525  Size: SH
  3. On the new panel, drill 8 mm (5/16 in) plug weld holes as necessary in the locations noted from the original panel.
  4. Apply GM-approved Weld-Thru coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair.

  5. Object Number: 1331527  Size: SH
  6. Position the service panel. Inspect with 3-dimensional measuring equipment.

  7. Object Number: 1331528  Size: SH
  8. Plug weld accordingly.
  9. Clean and prepare all welded surfaces.

  10. Object Number: 1331530  Size: SH
  11. Apply the sealers and the anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  12. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems.
  13. Install all related panels and components.
  14. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  15. Enable the SIR system. Refer to SIR Disabling and Enabling.