OnStar Overview
EmergencyInstallation Procedure
Prepare all mating surfaces as necessary.
Align the front hinge pillar body reinforcement.
Drill 8 mm (5/16 in) for plug welding along the edges of the front hinge
pillar body as noted from the original
panel.
Clean and prepare the attaching surfaces for welding.
...
Radiator Grille Reinforcement Support Replacement
Preliminary Procedure
Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement.
Radiator Grille Reinforcement Support Bolt (Qty: 4)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
10 N·m (89 lb in).
Radiator Grille Reinforcement Support Retainer ...
Installation Procedure
Cut the front hinge pillar body in corresponding locations to fit the
remaining original panel. The sectioning joint should be trimmed
to allow a gap of one-and-one-half-times the metal thickness at the
sectioning joint.
Create a 50 mm (2 in) backing plate from the unused portion of ...