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
Align the rocker inner panel.
Drill 8 mm (5/16 in) for plug welding along the edges of the quarter
outer panel as noted from the original panel.
Clean and prepare the attaching surfaces for welding.
Position the rocker inner panel on the vehicle.
Verify the fit of ...
Installation Procedure
Cut the front end upper tie bar 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 ...
Rear Bumper Fascia Outer Guide Replacement
Preliminary Procedure
Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement.
Rear Bumper Fascia Outer Guide Rivet (Qty: 3)
Special Tools
BO-594-A Hand Rivet Tongs
For equivalent regional tools, refer to Special Tools.
Rear Bumper Fascia Outer Guide
...