GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

Important: When replacing panels that involve servicing of stationary glass, refer to Adhesive Installation of Stationary Windows before performing any priming or refinishing.

  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: 767130  Size: SH
  4. Remove all related panels and components.
  5. Repair as much of the damage as possible to factory specifications. Refer to 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. Perform the necessary procedures to gain access to the repair area. Refer to Radiator Upper Support Replacement , Front Wheelhouse Replacement .

  9. Object Number: 767133  Size: SH
  10. Separate the floor pan reinforcement  (1) weld flanges from the inside of the lower rail. Care must be taken not to damage the weld flanges.
  11. Important: Do not damage any inner panels or reinforcements.

  12. Locate and drill out all factory welds. Note the number and location of the welds for installation of the front lower rail.

  13. Object Number: 767135  Size: SH
  14. Remove the damaged rail.

Installation Procedure


    Object Number: 767136  Size: SH
  1. Prepare the mating surface of the floor pan reinforcement  (1).
  2. Turn the weld flanges outward  (2) to be welded to the front lower rail.
  3. Drill 8 mm (5/16 in) plug weld holes as necessary in the locations noted from the removal.

  4. Object Number: 869031  Size: SH
  5. Prepare all mating surfaces as necessary.
  6. Apply 3M® Weld-Thru coating P/N 05916 or equivalent to all mating surfaces

  7. Object Number: 767139  Size: SH
  8. Position the service part.

  9. Object Number: 767140  Size: SH
  10. Plug weld accordingly.
  11. Complete the necessary procedures. Refer to Radiator Upper Support Replacement , Front Wheelhouse Replacement .
  12. Clean and prepare all of the welded surfaces.

  13. Object Number: 767142  Size: SH
  14. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair in Paint and Coatings.
  15. Paint and repair the area. Refer to Basecoat/Clearcoat Paint Systems in Paint and Coatings.
  16. Install all related panels and components.
  17. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  18. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.