Radiator Lower Support Replacement

Radiator Lower Support Replacement

Removal Procedure

Warning: Refer to Approved Equipment for Collision Repair Warning (Approved Equipment for Collision Repair Warning).

1. Disable the SIR system. Refer to SIR Disabling and Enabling (Service and Repair).
2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).




3. Remove all related panels and components.
4. Repair as much of the damage as possible to factory specifications. Refer to Dimensions - Body (H3) ()Dimensions - Body (H3T) ().
Warning: Refer to Foam Sound Deadeners Warning (Foam Sound Deadeners Warning).

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 ().





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. Remove the damaged lower radiator support.

Installation Procedure





Note: In any area damaged beyond recognition, or if structural weld-thru adhesive is present, space the plug weld holes 40 mm (11/2 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. Position the radiator support.
5. Plug weld accordingly.
6. Clean and prepare all welded surfaces.
7. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair ().
8. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems (Basecoat/Clearcoat Paint Systems).
9. Install all related panels and components.
10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
11. Enable the SIR system. Refer to SIR Disabling and Enabling (Service and Repair).