Per the 2015 Ford F-150 Workshop manual: “NOTE: The rocker panel inner reinforcement on the SuperCrew Cab is a two-piece component consisting of a front and rear sections. The front portion is an extrusion casting and may not be sectioned. The rear portion only may be sectioned using a backer plate, adhesive and blind rivets. The following procedure assumes full component replacement.”

The procedures can be found at

For short videos that show how to purchase and access the Ford collision repair information, check out the Ford OEM Information page.