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:
Thread Repair
General purpose thread repair kits are available commercially.
Warning: Refer to Safety Glasses Warning in the Preface section.
Note: Refer to the thread repair kit manufacturer's instructions
regarding the size of the drill and which tap to use.
Always avoid any buildup of chips. Back ou ...
Driving Characteristics and Towing Tips
Driving with a Trailer
When towing a trailer:
• Become familiar with the state and local laws that apply specifically to trailer
towing.
• Do not tow a trailer during the first 800 km (500 mi), to prevent damage to the
engine, axle or other parts.
• Then, during the first 800 km (500 mi) tra ...
Front Fog Lamps
For vehicles with front fog lamps, the button is on the outboard side of the
instrument panel.
The ignition must be on to turn on the fog lamps.
(Front Fog Lamps): Press
to turn the fog lamps on or off. An indicator light on the instrument cluster comes
on when the fog lamps are on.
The ...