GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  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 .

  6. Object Number: 870945  Size: SH

    Important: Do not damage any inner panels or reinforcements.

    Important: Note the number and location of the factory welds for installation of the center pillar reinforcement.

  7. Locate and drill out all the necessary factory welds.

  8. Object Number: 870947  Size: SH
  9. Remove the damaged front pillar.

Installation Procedure


    Object Number: 870943  Size: SH

    Important: If the location of the original plug weld holes can not be determined, space the plug weld holes every 40 mm (1½ in) apart.

  1. Drill 8-mm (5/16-in) plug weld holes in the service reinforcement as necessary in the corresponding locations noted on the original panel.
  2. Prepare all mating surfaces for welding as necessary.
  3. Apply 3M® Weld-Thru Coating P/N 05916 or equivalent to all mating surfaces.

  4. Object Number: 870945  Size: SH
  5. Position the service part on the vehicle using 3-dimensional measuring equipment. Clamp the part 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 .