For 1990-2009 cars only
Removal Procedure
- Disable the SIR system. Refer to SIR Disabling and Enabling.
- Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
- Remove all related panels and components.
- Repair as much of the damage as possible to factory specifications. Refer to Dimensions - Body.
- Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
- Locate and drill out all factory welds. Note the number and location of welds for installation of the service part.
- Remove the damaged rear end panel.
Warning: Refer to Approved Equipment for Collision Repair Warning in the Preface section.
Installation Procedure
- Prepare the mating surfaces as necessary. Inspect for proper fit of the service panel.
- On the new panel, drill 8 mm (5/16 in) plug weld holes as necessary in the locations noted from the original panel.
- Apply GM-approved Weld-Thru coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair.
- Position the service panel. Inspect with 3-dimensional measuring equipment.
- Plug weld accordingly.
- Clean and prepare all welded surfaces.
- Apply the sealers and the anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
- Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems.
- Install all related panels and components.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
- Enable the SIR system. Refer to SIR Disabling and Enabling.
