Genuine GM Accessories 23110566 Rear Molded Splash Guard by General Motors

today I'm installing these OAM GMC splash guards or mud flaps on my wife's 2500 first thing I'm gonna do is clean up the work area next we're gonna block the wheels and pull the back tires next you want to firmly put the splash guards up into their position and then mark the holes next you want to drill three thirteen sixty fourths holes where you mark them take three of these units or body nuts and slip them on to the metal panel behind the trim you might have to scrape off some of that undercoating if it's too thick behind there and you can use a scratch awl or a small screw driver to align the hole with the drilled hole as I was installing this unit or body nut I noticed that the metal body behind this plastic trim has kind of a you ship to it and there's nothing for this to grab on to so I'm going to move this hole a little bit farther out so I have something to actually attach this