GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Body Repair 🢒 Collision Repair 🢒 Windshield Frame Header Front Panel 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. Remove all related panels and components.
  4. Repair as much of the damaged area as possible. Refer to Dimensions - Body.
  5. Remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.

    6. Note: Note the number and location of the factory welds for installation of the header panel.


    Object Number: 1592290 Size: SH
  6. Locate and drill out all the necessary factory welds.

    7. Object Number: 1592293 Size: SH
  7. Remove the header panel.

Installation Procedure

    Note: If the location of the original plug weld holes cannot be determined, space the plug weld holes every 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 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: 1592293 Size: SH
  4. Position the header panel to the vehicle using 3-dimensional measuring equipment. Clamp the front header panel in place.

    5. Object Number: 1592290 Size: SH
  5. Plug weld accordingly.
  6. Clean and prepare all of the welded surfaces.
  7. Install all of the related panels and components.
  8. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair.
  9. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  11. Enable the SIR system. Refer to SIR Disabling and Enabling.