If you are considering replacing the roller of your garage door by yourself, make sure you begin by replacing the one that has a bottom bracket supporting it. You can find this roller merely a couple of inches off the ground after you close the door. It can be extremely dangerous to replace a garage door’s bottom roller if you do it incorrectly. When replacing this roller with a new one, the bolts keeping the bottom fixture secured to the door should not be loosened. In addition, the cable should not be removed from the bottom fixture. If you do…