No, it's really easy, the fronts are a 15mm, there are 2 bolts that connect the caliper to the spindle. They are on tight though, so bring a nice ratcheting wrench and possibly a breaker bar will make the work easier. I'm not 100% sure on the rear bolt sizes, but it's always best to bring a socket rack with a few different sizes anytime you go junkyard diving, along with other tools as well.