GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Body Repair 🢒 Collision Repair 🢒 Radiator Lower Support Replacement

Removal Procedure

    Warning: Refer to Approved Equipment for Collision Repair Warning 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: 827944 Size: SH
  3. Remove all related panels and components.
  4. Restore as much of the damage as possible to factory specifications. Refer to Dimensions - Body.

    5. Warning: Refer to Foam Sound Deadeners Warning in the Preface section.

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

    6. Object Number: 827947 Size: SH

    Note: Do not damage any inner panels or reinforcements.

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

    7. Object Number: 827946 Size: SH
  7. Remove the damaged radiator support.

Installation Procedure

    Object Number: 827961 Size: SH

    Note: In any area damaged beyond recognition, or if structural weld thru adhesive is present, space the plug weld holes 40 mm (1½ in) apart.

  1. Drill 8 mm (5/16 in) plug weld holes in the service part as necessary in the locations noted from the original panel.
  2. Prepare all attachment 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: 1891526 Size: SH

    Note: Installing the radiator lower support to the body mount, the radiator will seat about 1 inch above the fender.

  4. Position the radiator support.

    5. Object Number: 1891522 Size: SH
  5. To locate the radiator lower support in the correct location use a clamp or equivalent tool. (1)

    6. Object Number: 828269 Size: SH
  6. Plug weld accordingly.
  7. Remove clamps.
  8. Clean and prepare all welded surfaces.
  9. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  10. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems.
  11. Install all related panels and components.
  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.