Chevrolet Cruze Repair Manual: Ultra High Strength Dual Phase Steel

Chevrolet Cruze Repair Manual / Body repair / Collision Repair / 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

Frame and Underbody

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
Position the front brake shield (2) and front wheel bearing/hub (1) assembly in the steering knuckle. Caution: Refer to Fastener Caution in the Preface section. Install the NEW front wheel bearing/hub bolts (1). Tighten the bearing/hub bolts (1) in 3 passes. Use the EN-45059 k ...

Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the front wheelhouse front panel as noted from the original panel. Drill 8 mm (5/16 in) for plug welding where front wheelhouse front panel and front wheelhouse overlap. Clean and prepare the attaching surfaces f ...

Center Pillar Upper Garnish Molding Replacement
Preliminary Procedure Remove the center pillar lower garnish molding. Refer to Center Pillar Lower Ga rnish Molding Replacement Remove the seat belt from the front seat. Refer to Driver or Passenger Seat Retractor Side Belt Replacement Center Pillar Upper Garnish Mo ...