is the process of restoring a damaged automotive panel to its original contour using specialized hand tools like hammers and dollies. Unlike simple "dent pulling," bumping involves a deep understanding of metal tension and how impact energy travels through a panel. The Core Philosophy: V-Channels and Ridges
Make sure to check out the latest edition of the guide, which includes updated techniques, tools, and best practices for metal bumping, panel beating, and auto body repair. is the process of restoring a damaged automotive
: Striking the metal directly against the dolly to thin or stretch it. Off-the-Dolly : Striking the metal directly against the dolly
An oil can (a panel that pops in and out) means the metal is stretched. The old method was to add more filler. The method is to use a slapper file . The method is to use a slapper file
Using heat or a shrinking hammer to compress metal that has been stretched beyond its original dimensions .