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:
Installation Procedure
Remove rear end upper panel extension (1) from service part.
Cut the body side inner 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
jo ...
Heating and Air Conditioning System Description and Operation
Engine Coolant
Engine coolant is the key element of the heating system. The thermostat
controls engine operating coolant temperature. The thermostat
also creates a restriction for the cooling system that promotes a positive
coolant flow and helps prevent cavitation. Coolant enters the
heater ...
Older Children
Older children who have outgrown booster seats should wear the vehicle safety
belts.
The manufacturer instructions that come with the booster seat state the weight
and height limitations for that booster. Use a booster seat with a lap-shoulder
belt until the child passes the fit test below: ...
