This information provides repair recommendations and general guidelines for steel classified as Laminated Steel. This type of steel is constructed by bonding 2 pieces of cold rolled steel (1) with a viscoelastic layer of adhesive (2).
General Motors recommends the following when repairing or replacing this type of steel during collision repair.
Important::
| • | The use of heat to repair damage is not recommended for this type of steel. |
| • | This type of steel should be replaced at factory joints. Sectioning or partial replacement is not recommended. |
| • | This classification of steel can not be used as a backing reinforcement or a sleeve for a sectioning joint. |
| • | The use of MIG Plug and Stitch Welding is not recommended for this type of steel. |
| • | The use of MIG Brazing is not recommended for this type of steel. |
Recommended Repairs:
| • | Cold repairs can be performed on this classification of steel, unless the damage includes kinks. If the damage includes kinks, the part should be replaced. |
| • | Adhesive bonding with specified rivets can be used to replace factory spot welds, when a specific procedure is provided. |
| • | Squeeze Resistance Spot Welding can be used for full panel replacement to replace factory spot welds, where applicable. |
