This information provides repair recommendations and general guidelines for steel classified as Dual Phase Steel (Dual Phase Steel with a tensile strength up to and including 800 MPa), also known as DP.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Note: The use of heat to repair damage is not recommended for this classification of steel.
Recommended Repairs
Installation Procedure
High Strength Low Alloy SteelPretensioner Handling and Scrapping
Special Tools
EL-38826 SIR Deployment Harness
EL-39401-B SIR Deployment Fixture
For equivalent regional tools, refer to Special Tools.
Warning: When you are carrying an undeployed seat belt pretensioner:
Do not carry the seat belt pretensioner by the wires or connector on the
preten ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the body side
outer lower panel as noted from the original panel.
Note: If the location of the original plug weld holes can not be
determined, space the plug weld holes every 40 mm (1½ in).
Clean and prepare the attac ...
Vehicle Positioning
At times, the position of the vehicle on the map could be inaccurate due to one
or more of the following reasons:
• The road system has changed.
• The vehicle is driving on slippery road surfaces such as sand, gravel, or snow.
• The vehicle is traveling on winding roads or long straight roads.
...