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 .
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  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 .
  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 .
  10. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .
  11. Install all of the related panels and components.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  13. Enable the SIR system. Refer to SIR Disabling and Enabling .