Just bought a 2016 dodge ram laramie about a week ago. When washing it yesterday i noticed 2 of the factory fender flares were pulled off the side of the truck slightly , before i take it back to the dealer just wondered if anyone knew of a quick fix i could do at home instead?

If there is a gap, that means some of the adhesive used to apply the flares is not doing its job. Complete replacement of the offending flares is probably the best way to go, and a dealership is probably the best place to do it. Should be covered under factory warranty. Just make sure they do it right, don't be afraid to be "****" and nitpicky. Its a brand new truck you paid good money for.