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 SteelFront End Upper Tie Bar Support Sectioning (MAG Welding)
Note: According to different corrosion warranties, only the
regional mandatory joining methods are allowed.
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
W ...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible.
If hea ...
Removal Procedure
Support the radiator and condenser from above using the
condenser tabs on each side.
Remove the lower steering intermediate shaft bolt (1).
Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle.
Remove the tire and wheel assemblies. Refer to Tire and Wheel Remov ...