GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


Object Number: 1277233  Size: SH

The replacement outer body side is serviced as a complete assembly. It is necessary to remove and replace the upper fender rails and the outer wheel house panel in order to replace the outer body side panel.

The upper fender rails and the outer wheelhouse panels are not included and must be ordered separately.


Object Number: 1389588  Size: SH

Important: Structural foam (1) is located between the inner rocker (2) and the inner hinge pillar reinforcements (3) on both the right and the left side of the vehicle. Precast structural foam replacement blocks are available if necessary, and can be ordered separately.

Failure to replace any damaged structure foam reinforcement as described could compromise the structural integrity of the vehicle. Refer to Structure Foam Replacement .

    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: 1277234  Size: SH

    Important: When replacing the outer body side assembly, it is necessary to remove the upper fender rail and the outer wheel house panel. Depending on the extent of the damage, you may section the outer wheel house panel in the designated area, or replace the entire outer wheel house.

  4. Remove all related panels and components including the upper fender rail. Refer to Front Fender Upper Rail Replacement or to Rear Outer Wheelhouse Replacement .
  5. Repair as much of the damage as possible to factory specifications. Refer to Door Opening and Roof Stowage Dimensions in Dimensions - Body .
  6. Caution: Refer to Foam Sound Deadeners Caution in the Preface section.

  7. 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.

  8. Object Number: 1277235  Size: SH

    Important: Do NOT damage the inner panels or the structural foam reinforcement block.

  9. Locate and drill out all factory welds on the outer body side. Note the number and location of the welds for installation of the outer body side service part.

  10. Object Number: 1277236  Size: SH
  11. On the passenger side only, use a grinder or equivalent to remove the MIG welds as shown.

  12. Object Number: 1277238  Size: SH
  13. Verify the existence of structural weld-through adhesive. Refer to Structure Adhesive Identification . If necessary use a chisel to separate the body side panel from the adjacent panels.

  14. Object Number: 1277239  Size: SH

    Important: Do NOT damage the structural foam reinforcement block when you remove the outer body side panel.

  15. Remove the damaged outer body side panel.

Installation Procedure


    Object Number: 1277240  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 existing plug welds where necessary.
  3. Prepare all mating surfaces as necessary.
  4. Apply 3M® Weld-Thru Coating P/N 05916 or equivalent to all mating surfaces.

  5. Object Number: 1389346  Size: SH
  6. Inspect the structural foam for damage and replace the foam if necessary. Refer to Structure Foam Replacement .

  7. Object Number: 1277242  Size: SH
  8. Position the outer body side. Refer to Door Opening and Roof Stowage in Dimensions - Body .

  9. Object Number: 1277243  Size: SH
  10. Plug weld accordingly.

  11. Object Number: 1277241  Size: SH
  12. On the passenger side, continuous MIG weld the 3 slots as shown.
  13. Install all related panels including the upper fender rail Refer to Front Fender Upper Rail Replacement or to Front Fender Upper Rail Sectioning or to Rear Outer Wheelhouse Replacement .
  14. Clean and prepare all welded surfaces.
  15. 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.
  16. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems in Paint and Coatings.
  17. Install all related components.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  19. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.