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 common steel names of:
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Recommended Repairs:
High Strength Low Alloy Steel
Ultra High Strength Dual Phase SteelFront Bumper Energy Absorber Bracket Replacement
Preliminary Procedure
Remove the front bumper fascia opening cover. Refer to Front Bumper Fascia
Opening Lower Cover Replacement
Drivetrain and Front Suspension Frame Bolt Front
Caution: Refer to Fastener Caution in the Preface section.
Tighten
160 N·m (119 lb ft)
Note: Do NOT reu ...
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 ...
Air/Wind Noise
Special Tools
CH-39570 Chassis Ear
GE-41416 Ultrasonic Leak Detector
Warning: Refer to Assistant Driving Warning in the Preface section.
To analyze a reported windnoise condition, test drive the vehicle to
determine the origin of the noise.
Choose a regular route with smooth and strai ...