This information provides repair recommendations and general guidelines for steel classified as Dual Phase Steel (Dual Phase Steel with a tensile strength up to and including 800 MPa), also known as DP.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Note: The use of heat to repair damage is not recommended for this classification of steel.
Recommended Repairs
Installation Procedure
High Strength Low Alloy SteelInstallation Procedure
Remove rear end upper panel extension (1) from service part.
Cut the body side inner 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
jo ...
Hood Adjustment
Hood
Caution: Refer to Fastener Caution in the Preface section.
Procedure
Loosen the hood hinge reinforcement nuts (Qty: 4).
Adjust the hood in order to obtain an even gap on both sides between the
hood and the fenders, the headlamps and
the front bumper fascia and so that the hood ...
Installation Procedure
Remove the front wheelhouse rear panel brace (1) from service panel.
Create 6 x 20 mm (4/16 x 12/16 in) slots for MIG-brazing along the edges
of the front wheelhouse (1).
Clean and prepare the attaching surfaces for brazing.
Note: In MIG-brazing areas 50 mm (2 in) must b ...