For 1990-2009 cars

### Removal Procedure

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

Note: The battery box upper flange is layered between several panels. To avoid unnecessary repair, separate the lower battery box from the upper flange. The upper flange will be left welded to the vehicle.

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. Repair as much of the damaged area as possible. Refer to Dimensions - Body.
5. Remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.

Note: Do not damage any inner panels or reinforcement

6. Locate and drill out all the necessary factory welds. Note the number and location of the welds for installation of the battery tray.
7. Remove the battery tray.

### Installation Procedure

1. Locate and drill out the welds as necessary to separate the upper flange from the lower battery box on the service assembly.
2. Remove the upper flange from the lower battery box.
3. Prepare all mating surfaces for welding as necessary.
4. Apply GM-approved Weld-Thru Coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair
5. Position the battery tray to the vehicle. Clamp the battery tray in place.
6. Plug weld accordingly.
7. Clean and prepare all of the welded surfaces.
8. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
9. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems.
10. Install all of the related panels and components.
11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
12. Enable the SIR system. Refer to SIR Disabling and Enabling.