When you decide to paint your vehicle’s chassis, you must know how to properly prepare the area for painting. To prepare your chassis, the first thing to do is gather your materials, which include: a PRE paint solution, electric sander, stripper or blaster, lint-free hand towels, and some epoxy primer. Using an epoxy primer will yield the best results when painting your chassis. Once you acquire all the tools you need, the preparation process is straightforward.