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Rocker Inner Panel Reinforcement Replacement

Rocker Inner Panel Reinforcement Replacement

Removal Procedure


1. Refer to Approved Equipment for Collision Repair Warning .

Refer to Glass and Sheet Metal Handling Warning .

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. Perform additional procedures as necessary. See

A-pillar sectioning

Quarter Outer Panel Sectioning

Rocker Outer Panel, Sectioning

B-Pillar Sectioning - Outer

5. Restore as much of the damage as possible to factory specifications using 3-dimensional measuring equipment.

6. Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary (1).


7.
Note

Do not damage any inner panels or reinforcements.


Note

The rocker inner panel is made of Ultra High Strength Steel and should be replaced only at factory joints. Sectioning or straightening are not recommended. Refer to Ultra High Strength Steel .


Note

Ultra High Steel is very difficult to drill. When possible drill spot welds from the back side of the panel.


Note

Record the number and location of the original welds for installation of the service part.


Locate and drill out all factory welds (1).


8. Remove the damaged inner rocker panel (1).



Installation Procedure


1.
Note

If the location of the original plug welds cannot be determined or structural weld- thru adhesive was present, space plug weld holes every 40 mm (1 1/2 in) apart.


Drill 8 mm (5/16 in) plug weld holes in the service part as necessary (1), in the locations noted from the original panel.


2. Prepare all attachment surfaces as necessary.

3. Apply GM-approved Weld-Thru Coating or equivalent to all mating surfaces.

4. Position the inner rocker panel (1).


5. Clamp service parts in position.

6. Inspect the vehicle for proper dimensions using 3-dimensional equipment.

7. Plug weld accordingly (1).


8. Clean and prepare all welded surfaces.

9. Apply the sealers and anti-corrosion materials to the repair area, as necessary.

10. Paint the repair 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. Activate the SIR system. Refer to SIR Disabling and Enabling .