Its easy the four bolts on the back hold it in. Losen them up and hit em with a hammer lightly and the whole assy pops out. Consider changing the bearings take the whole thing to a machine shop. Heres a tip tell em at the parts store you have a EX wagon and get the loaded calipers and rotors and bolt on a big brake kit for less than 150$. Works Guarenteed Ill send pics!