Note: According to different corrosion warranties, only the regional mandatory joining methods are allowed.
Installation Procedure
Removal ProcedureInstallation Procedure
Cut the roof front header panel 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 ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the drivetrain
and front suspension frame front support as noted from the
original panel.
Clean and prepare the attaching surfaces for welding.
Position the drivetrain and front suspension frame front suppor ...
Ultra High Strength Dual Phase Steel
This information provides repair recommendations and general guidelines for
steel classified as Ultra High Strength Dual Phase Steel (Dual
Phase Steel with a tensile strength greater than 800 MPa), also known as DPX.
General Motors recommends the following when repairing or replacing this type ...