GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


Object Number: 805560  Size: SH

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

Important: The front upper tie bar is serviced as 3 components: Right and left side tie bar reinforcements (2) and the upper tie bar (1).

  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. Remove all related panels and components.
  4. Restore 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 in Paint and Coatings.
  6. Locate, mark, and drill out all factory welds attaching the upper tie bar (1) and reinforcements (2) if necessary.
  7. Remove the damaged tie bar (1).

Installation Procedure


    Object Number: 805560  Size: SH
  1. Prepare the mating surfaces as necessary.
  2. Apply 3m Weld-Thru Coating P/N 05913 or equivalent to all mating surfaces.
  3. Drill 8 mm (5/16 in) plug weld holes on the service part as necessary in the locations noted from the original panels.
  4. Important: If the location of the original plug weld holes can not be determined, or if structural weld-thru adhesive is present, space the plug weld holes every 40 mm (1½ in).

  5. Temporarily position the upper tie bar (1) and reinforcements (2) on the vehicle.
  6. Check location using 3-dimensional measuring equipment.
  7. Plug weld accordingly.
  8. Clean and prepare welded surfaces.
  9. Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems in Paint and Coatings.
  10. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair in Paint and Coatings.
  11. Install all of the related panels and components.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  13. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.