For 1990-2009 cars

### Removal Procedure

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

1. Remove the pickup box assembly. Refer to Pickup Box Replacement .
2. Restore as much damage as possible.
3. Note the location and remove the sealers and anti-corrosion materials from the repair area as necessary. Refer to Anti-Corrosion Treatment and Repair .
4. Locate and drill out all factory welds. Note the location of the welds for installation of the service part.
5. Remove the front panel.

### Installation Procedure

1. Drill 8 mm (5/16 in) plug weld holes in the service part as necessary in the locations noted from the original part. Prepare all mating surfaces as necessary.
2. Apply GM-approved Weld-Thru Coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair .
3. Align the service part to the pickup box.
4. Plug weld into position.
5. Clean and prepare all welded surfaces.
6. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .
7. Paint and repair the area. Refer to Basecoat/Clearcoat Paint Systems .
8. Install the pickup box assembly. Refer to Pickup Box Replacement .