To disassemble the front bumper, the front wheels lug nuts must be unscrewed, the front part of the car should be lifted by means of a jack and supported by jackstands and the parking brake engaged. Third it is advisable to take off the front wheels and the inner fender splash shields. Next, unbolt the fasteners that has been holding the upper edge of the bumper to fender before removing the upper bumper frame. That done, unbolt the headlight boxes, then the bolts on the top of the upper bumper and finally take off the upper bumper. With more aid, unbolt the nuts holding the bumper to the brackets and pull the bumper from the frame rail or brackets. As for installation, you should come through the reverse procedure of this operation. For the rear bumper you will have to disconnect any electrical connectors that may prove to be in the way. Taking assistance, take out the bolts holding the bumper and the bumper arms and then take out the bumper and installation is done by reversing the above process.