Chevrolet Cruze Repair Manual: 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 common steel names of:
- Mild Steel
- Bake Hardenable Steel (BH)
- Solid Solution Strengthened Steel
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Recommended Repairs:
- Cold repairs can be performed on this type of steel, unless the damage includes kinks. If the damage includes kinks, the part should be replaced.
- Controlled use of heat can be used to repair damage, if the heat does not exceed 650°C (1200°F). The heat should be applied a maximum of 2 times, for up to 90 seconds.
- Sectioning or partial replacement of this type of steel is recommended only at approved locations, in a specific sectioning procedure.
- This type of steel can be used as a sleeve, or backer plate, when recommended in a specific sectioning procedure.
- Squeeze Resistance Spot Welding can be used to replace factory spot welds, where applicable
- MIG plug welding and MIG stitch welding can be used on this type of steel.
- MIG Brazing can be used on this type of steel
High Strength Low Alloy Steel
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 ...
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), ...
Other materials:
Water Management Description and Operation
Plenum Water Flow Direction and Cleaning
A large percentage of water will flow off the windshield area into the plenum
chamber drain system and then down the outside on the
plenum to the underside of the vehicle. To ensure that the plenum chamber water
management system performs properly, the ...
Accident With or Without Air Bag Deployment - Component Inspections
Warning: Proper operation of the Supplemental Inflatable Restraint
(SIR) sensing system requires that any repairs to the vehicle
structure return the vehicle structure to the original production configuration.
Not properly repairing the vehicle structure could cause
non-deployment of the air b ...
Installation Procedure
Note: If the location of the original plug weld holes can not be
determined, space the plug weld holes every 40 mm (1½ in).
Drill 8 mm (5/16 in) for plug welding along the edges of the rear floor
panel filler as noted from the original
panel.
Clean and prepare the atta ...
