Removal Procedure
Caution: Refer to Approved Equipment for Collision Repair Caution in the Preface section.
Important: The service B-Pillar will come as a complete assembly and the center B-Pillar Reinforcement is constructed of ultra high strength steel (martensitic) and can not be sectioned. It can only be replaced as
a one piece unit. A special sectioning procedure has been created. Refer to
Body Lock Pillar Outer Panel Sectioning.
- 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 damaged area as possible. Refer to
Dimensions - Body.
- Remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to
Anti-Corrosion Treatment and Repair.
Important: Note the number and location of the factory welds for installation of the inner pillar lock front door.
- Locate and drill out all the necessary factory welds.
- Remove the Center B-Pillar from the factory seams.
Installation Procedure
Important: If the location of the original plug weld holes can not be determined, space the plug weld holes every 40 mm (1 in) apart.
- Drill 8 mm (5/16 in) plug weld holes in the service part as necessary in the corresponding locations noted on the original panel.
- Prepare all mating surfaces for welding as necessary.
- Apply GM approved Weld-Thru Coating or equivalent to all mating surfaces. Refer to
Anti-Corrosion Treatment and Repair.
- Position the service part on the vehicle using 3-dimensional measuring equipment. Clamp the part in place.
- Plug weld accordingly.