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:
Installation Procedure
Cut the front hinge pillar body 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 ...
Engine Oil Life System
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and miles driven.
Based on driving conditions, the mileage at which an oil ...
Installation Procedure
Cut the quarter outer 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
&nbs ...
