Chevrolet Cruze Repair Manual: Dual Phase Steel
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
- Cold repairs can be performed on this type of steel, unless the damage includes kinks. If the damage includes kinks, the part should be replaced
- Sectioning or partial replacement of this type of steel is recommended only at approved locations, in a specific sectioning procedure.
- This type of steel can be used as a sleeve, or backer plate, when recommended in a specific sectioning procedure.
- Squeeze Resistance Spot Welding can be used to replace factory spot welds, where applicable.
- MIG plug welding and MIG stitch welding can be used on this type of steel.
- MIG Brazing can be used on this type of steel.
Installation Procedure
Create 5 x 18 mm (4/16 x 11/16 in) slots for MIG-brazing along the edges
of the tail lamp pocket as noted f rom the
original panel.
Note:
Clean and prepare the attaching surf ...
High Strength Low Alloy Steel
This information provides repair recommendations and general guidelines for
steel classified as High Strength Low Alloy Steel, also known
as HSLA. This type of steel normally has a tensile strength ...
Other materials:
Repairs and Inspections Required After a Collision
Warning: Restraint systems can be damaged in a collision. To help
avoid injury and ensure that all parts in need of replacement are
replaced:
Replace any seat belt system that was in use during the
collision serious enough to deploy any automatic restraint device such as
air
bags and ...
Battery Negative Cable Disconnection and Reconnection
Removal Procedure
Turn on the radio and record all of the customer radio station presets.
Ensure that all lamps and accessories are turned off.
Turn the ignition OFF and remove the ignition key.
Warning: Refer to Battery Disconnect Warning in the Preface section.
Loosen the negati ...
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 ...
