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:
Engine Oil Pressure Light
Notice: Lack of proper engine oil maintenance can damage the engine.
Driving with the engine oil low can also damage the engine. The repairs would not
be covered by the vehicle warranty.
Check the oil level as soon as possible. Add oil if required, but if the oil
level is within the operating ...
Work Stall Test Warning
Warning: One or more of the following guidelines may apply when performing
specific required tests in the work stall:
When a test requires spinning the drive wheels with the vehicle jacked up,
adhere to the following precautions:
Do not exceed 56 km/h (35 mph) when spinning one drive wheel ...
Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi).
Tires are rotated to achieve a uniform wear for all tires. The first rotation
is the most important.
Anytime unusual wear is noticed, rotate the tires as soon as possible, check
for proper tire inflation pressure, and check for damaged tires ...
