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. Object Number: 874137  Size: SH
  4. Remove all related panels and components.
  5. Repair as much of the damage as possible. Refer to Dimensions - Body .
  6. Remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .

  7. Object Number: 874140  Size: SH

    Important: Note the number and location of the factory welds for installation of the anchor plate.

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

  9. Object Number: 874142  Size: SH
  10. Remove the anchor plate.

Installation Procedure


    Object Number: 874127  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 part as necessary in the corresponding locations noted on the original panel.
  2. Prepare all mating surfaces as necessary.
  3. Apply 3M® Weld-Thru coating P/N 05916 or equivalent to all mating surfaces.

  4. Object Number: 874142  Size: SH
  5. Position the anchor plate to the rear rail.

  6. Object Number: 874137  Size: SH
  7. Plug weld accordingly.
  8. Clean and prepare all of the welded surfaces.
  9. Install all of the related panels and components.
  10. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .
  11. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems .
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  13. Enable the SIR system. Refer to SIR Disabling and Enabling .