How to fix large rust holes using bondo. tap the edges of the hole inwards with the ball of a small ball pein hammer below the level of the panel. body filler can be supported by a sheet of expanded zinc metal fixed behind the hole. a suitable piece is us

Eventually, it will require rust repair to remove the rust. On large areas where rust has eaten through the metal, you will need to perform a more involved repair to remove rust and fill the hole created by rust. Here are the steps required to use Bondo,

Clean the repair area with soap and water and let dry, use a wire brush to clean the area you want to fix. You must remove all existing rust and dirt. Use 220 grit sandpaper to scratch the surface to ensure adhesion. Use a hammer to gently tap the edges o