An automatic garage door has two main components: the door and the opener. This blog will show you how to maintain your garage door so that it lasts longer. Let’s begin with the door. How to maintain a garage door? The ability for a garage door to open or close smoothly is controlled by the garage door springs. The tracks on the wall guide the garage door up and down, while the garage door springs keep them in place. A garage door technician can easily fix a garage door problem. If you think you need an overhead garage door repair, follow these steps.