Front End Upper Tie Bar Replacement

Front End Upper Tie Bar Replacement

Removal Procedure

Warning: Refer to Approved Equipment for Collision Repair Warning (Approved Equipment for Collision Repair Warning).

Warning: Refer to Glass and Sheet Metal Handling Warning (Glass and Sheet Metal Handling Warning).


Note: Before beginning the repair, refer to Metal Panel Bonding () for proper adhesive applicator preparations and general information.

1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling (Service and Repair).
2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
3. Remove all related panels and components.
4. Repair as much of the damage as possible to factory specifications. Refer to Dimensions - Body ().
5. Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair ().





Note: Do not damage any inner panels or reinforcements. Record the number and location of the original welds for installation of the service part.

6. Locate and drill out all factory welds (1).




7. Remove the damaged tie bar assembly (1).

Installation Procedure





Note: If the location of the original plug welds cannot be determined or structural weld- thru adhesive was present, space plug weld holes every 40 mm (1 1/2 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 (1).
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. Position the tie bar assembly to the vehicle using 3-dimensional measuring equipment (1). Clamp the tie bar assembly into place.




5. Plug weld accordingly (1).
6. Clean and prepare all welded surfaces.
7. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair ().
8. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems (Basecoat/Clearcoat Paint Systems).
9. Install all related panels and components.
10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
11. Enable the SIR system. Refer to SIR Disabling and Enabling (Service and Repair).