This information provides repair recommendations and general guidelines for steel classified as High Strength Low Alloy Steel, also known as HSLA. This type of steel normally has a tensile strength range from 300-700 MPa.
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Recommended Repairs
Installation Procedure
Cut the front compartment upper side rail 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 joint.
Create a 50 mm (2 in) backing plate from the unused ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Disabling
and Enabling.
Disconnect the negative battery cable. Refer to ...
Instrument Panel Compartment Replacement
Preliminary Procedure
Remove the instrument panel outer trim cover - right side. Refer to
Instrument Panel Outer Trim Cover Replacement - Right Side.
Instrument Panel Compartment Screw (Qty: 5)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
2.5 N·m (22 lb in)
...