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: 1283764  Size: SH
  4. Remove all related panels and components.
  5. Restore as much of the damage as possible to factory specifications. Refer to Dimensions - Body .
  6. Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .

  7. Object Number: 1283766  Size: SH

    Important: Do not damage any inner panels or reinforcements.

  8. Locate and drill out all factory welds. Note the number and location of welds for installation of the radiator support .

  9. Object Number: 1283769  Size: SH
  10. Remove the damaged radiator support .

Installation Procedure


    Object Number: 1283771  Size: SH

    Important: If the location of the original plug weld holes can not be determined, or if structural weld-thru adhesive is present, space the plug weld holes every 40 mm (1½ in) apart.

  1. Drill 8 mm (5/16 in) plug weld holes as necessary in locations noted from the original panel.
  2. Prepare all mating surfaces as necessary.
  3. Apply GM-approved weld thru coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair .

  4. Object Number: 1283785  Size: SH
  5. Position the radiator support.

  6. Object Number: 1283813  Size: SH
  7. Plug weld accordingly.

  8. Object Number: 1283814  Size: SH
  9. Clean and prepare all welded surfaces.
  10. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .
  11. Paint and repair the area. Refer to Basecoat/Clearcoat Paint Systems .
  12. Install all related panels and components.
  13. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  14. Enable the SIR system. Refer to SIR Disabling and Enabling .