The Key To Metal Bumping Panel Beating Auto Body Repair Biblepdf Upd ((better)) Jun 2026

What are you working on (fender, door, quarter panel)? Is the panel made of steel or aluminum ? What tools do you currently have available?

: The mechanical process of using hammers, dollies, and spoons to restore the panel's contour approximately to its original state. Metal Finishing

The manual provides comprehensive instructions on selecting and using hand tools designed to manipulate sheet metal effectively. What are you working on (fender, door, quarter panel)

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: Striking the metal directly against the dolly to thin or stretch it. Off-the-Dolly : The mechanical process of using hammers, dollies,

When you overwork a dent, the metal gets loose (oil-canning). The key step from the updated bible:

The hammer hits the high spot, forcing the metal against the dolly, effectively "pinching" it and shrinking the stretched material. 2. Off-Dolly Bumping (Raising) Off-the-Dolly When you overwork a dent, the metal

This unlocks the bound-up energy in the metal, bringing the high spot down and the low spot up simultaneously without stretching the material. It is the preferred method for the roughing-out stage. 5. Step-by-Step Metal Bumping Workflow Step 1: Analyze the Damage