Chevrolet Cruze Repair Manual: Ultra High Strength Dual Phase Steel
This information provides repair recommendations and general guidelines for steel classified as Ultra High Strength Dual Phase Steel (Dual Phase Steel with a tensile strength greater than 800 MPa), also known as DPX.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Note:
- Repair of this type of steel is not recommended.
- This type of steel should be replaced at factory joints only. Sectioning or partial replacement is not recommended.
- The use of heat to repair damage is not recommended for this type of steel.
- Stitch Welding is not recommended for this type of steel.
- This classification of steel can not be used as a backing reinforcement or a sleeve for a sectioning joint, unless a specific procedure is available.
Recommended Repairs:
- Squeeze Resistance Spot Welding can be used to replace factory spot welds, where applicable.
- MIG plug welding can be used to replace factory spot welds.
- MIG Brazing can be used to replace factory spot welds.
Special Tools and Equipment
Mild Steel
This information provides repair recommendations and general guidelines for
steel classified as Mild Steel. This type of steel normally has a
tensile strength less than 270 MPa. This includes the c ...
Frame and Underbody
Specifications
Engine Shield Replacement
Preliminary Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Engine Shield Bolt (Qty: 4)
Caution: Refer to ...
Other materials:
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.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Dis ...
Installation Procedure
Cut the front compartment front rail 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 porti ...
Automatic Headlamp System
When it is dark enough outside and the exterior lamp control is in the automatic
position, the headlamps come on automatically.
The vehicle has a light sensor on top of the instrument panel. Make sure it is
not covered, or the headlamps will be on when they are not needed.
The system may als ...
