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B-Pillar, Sectioning - Outer

B-Pillar, Sectioning - Outer

To remove


1. Refer to Approved Equipment for Collision Repair Warning .

Refer to Warning during the repair of collision damage with repair sheet metal

Refer to Fuel/Fuel vapor Warning .

Note

This procedure has been developed to allow full access for replacement of the center reinforcement pillar. Sectioning of the dual phase steel reinforcement is not approved or recommended. Refer to Dual phase steel .


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. Remove sealant and anti-corrosion materials from repair area, if necessary and note their placement.

5. Repair as much as possible of the damaged area. Refer to Body dimensions .

6. Remove the weatherstrip, note the flange in the center pillar. There will be a 3-metal stack-up. The middle layer is the center pillar's inner reinforcement (1).


7. Measure 13 mm (1/2 in) from the front and rear edges of the center pillar's inner reinforcement and mark a vertical line (1).


8. Measure 2.5 cm from the door opening's function line (1) and mark up a horizontal line.


9. Cut the window (1) in the outer center pillar.


10. Perform additional sectioning which may be necessary depending on the damage to the vehicle. Refer to Quarter Outer Panel Sectioning , Rocker Outer Panel Sectioning , or Front Hinge Pillar Body Sectioning .

11. Locate and drill out all factory welds (1). Note the number and location of the welds for installation of the service part.


12. Remove the damaged outer center pillar section (1).



Installation Procedure


1. From the service part, cut the panel at corresponding points in order to overlap the remaining original panel by 25 mm (1 in) at every common point (1).


2. Drill 8 mm (5/16 in) plug the weld holes in the service side (1), if necessary, at corresponding points noted on the original panel and along common sections


3. If necessary, prepare surfaces for welding.

4. Apply GM approved welds through coating or equivalent on all surfaces.

5. Place the outer center pillar (1) in the vehicle with the 3- dimensional measuring equipment. Secure the pillar in place.


6. Plug the welds according to (1) .


7. To create a solid weld with minimum heat distortion, make a 25 mm (1 in) Weld bead along 25 mm (1 in) the parts between them. Then go back and complete the weld (1).


8. Clean and prepare all welded surfaces.

9. Apply sealant and, if necessary, corrosion material to the repair area.

10. Paint the repair area. See 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 .