If your garage door is more than years old, consider replacing it. DIYNetwork.com experts show you how to install a new garage door with these step by step .Look to Lowe’s for your garage door installation or garage door opener installation. We’ll help you select and install the perfect garage door..Have the door open when you install the opener clamp locking pliers onto the roller track below a roller to keep the door from closing . It’s easier to align the opener with the center of the door when the door is open..HomeAdvisor’s Garage Door Opener Cost Guide lists pricesociated with installing or replacing an automatic garage door opener, as reported by HomeAdvisor customers..
Position the opener. Place the opener on a ladder and use slumber to get it at the height you need. Align the opener s rail with the center of the garage door. Follow the manufacturer s instructions toemble the opener and mount the rail to the headercket above the door..