GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Approved Equipment for Collision Repair Warning in the Preface section.

    Warning: Refer to Glass and Sheet Metal Handling 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. Remove all related panels and components.
  4. Visually inspect the damage. Repair as much of the damage as possible.
  5. Remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.

  6. Object Number: 2027988  Size: SH

    Note: Front wheelhouse rear panel brace (1) remains to the body.

  7. Locate and mark all the necessary factory welds of the front wheelhouse.

  8. Object Number: 2027990  Size: SH
  9. Drill all factory welds. Note the number and location of welds for installation of the service assembly.

  10. Object Number: 2027991  Size: SH
  11. Cut the adhesive in the front area (1) and where the front wheelhouse and the front compartment side rail overlap (2) with an appropriate tool.

  12. Object Number: 2027992  Size: SH
  13. Remove the front wheelhouse.

Installation Procedure


    Object Number: 2027993  Size: SH
  1. Remove the front wheelhouse rear panel brace (1) from service panel.

  2. Object Number: 2027994  Size: SH
  3. Drill 8 mm (5/16 in) for plug welding instead of the adhesive noted from the front area of the original panel.

  4. Object Number: 2027995  Size: SH

    Note: Double the number of drills at the flange where front wheelhouse panel and front compartment side rail overlap (1).

  5. Drill 8 mm (5/16 in) for plug welding along the edges of the front wheelhouse as noted from the original panel.
  6. Clean and prepare the attaching surfaces for welding.

  7. Object Number: 2027992  Size: SH
  8. Position the front wheelhouse on the vehicle.
  9. Verify the fit of the front wheelhouse.
  10. Clamp the front wheelhouse into position.

  11. Object Number: 2027996  Size: SH
  12. Plug weld accordingly.
  13. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  14. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems.
  15. Install all related panels and components.
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  17. Enable the SIR system. Refer to SIR Disabling and Enabling.