GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


Object Number: 1274768  Size: SH

The replacement inner lock panel is serviced as an assembly. You must remove and replace the outer body side panel and the roof mounting bracket in order to replace the inner lock pillar. The outer body side panel and the roof mounting bracket must be ordered separately.

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

  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

  3. Object Number: 1274765  Size: SH
  4. Remove all related panels and components including the outer body side panel. Refer to Body Side Outer Panel Replacement .

  5. Object Number: 1276020  Size: SH
  6. Remove the roof mounting bracket. Refer to Roof Mounting Bracket Replacement .
  7. Repair as much of the damage as possible to factory specifications. Refer to Door Opening and Roof Stowage Dimensions in Dimensions - Body .
  8. Caution: Refer to Foam Sound Deadeners Caution in the Preface section.

  9. Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair in Paint and Coatings.

  10. Object Number: 1276023  Size: SH

    Important: Do NOT damage the inner panels or the reinforcements.

  11. Locate and drill out all factory welds. Note the number and location of the welds for installation of the replacement part.

  12. Object Number: 1276025  Size: SH
  13. Verify the existence of structural weld-through adhesive. Refer to Structure Adhesive Identification . If necessary use a chisel to separate the inner rocker from the adjacent panels.

  14. Object Number: 1276028  Size: SH
  15. Remove the damaged inner lock pillar.

Installation Procedure


    Object Number: 1276033  Size: SH
  1. Drill 8 mm (5/16 in) plug weld holes in the service part as necessary in the locations noted on the original panel.
  2. Replace the structural adhesive with an additional plug weld between the existing plug welds if necessary.
  3. Prepare all attachment surfaces as necessary.
  4. Apply 3M® Weld-Thru Coating P/N 05916 or equivalent to all mating surfaces.

  5. Object Number: 1276034  Size: SH
  6. Position the inner lock pillar. Refer to Door Opening section of Dimensions - Body .

  7. Object Number: 1276037  Size: SH
  8. Plug weld accordingly.

  9. Object Number: 1276020  Size: SH

    Important: Proper alignment of the roof mounting bracket is critical for proper folding top operation and alignment.

  10. Position the roof mounting bracket.
  11. Plug weld accordingly.
  12. Install all related panels.
  13. Clean and prepare all welded surfaces.
  14. Apply the sealers and the anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair in Paint and Coatings.
  15. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems in Paint and Coatings.
  16. Install all related components.
  17. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  18. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.