Check out these expert tips for easier installation of a replacement garage door opener and trouble free operation. We’ll clarify the instructions..New garage doors transform the look of your home. A new garage door opener can make your life easier. garage door opener repair, .Find out your opener’s information by lo.ng for it on the motor housing. Contact a local re.er or the manufacturer to buy the best compatible remote..Once your old garage door starts making weird sounds or fails altogether, set aside some time on the weekend to replace it. A replacement garage door opener that matches your current setup offers the quickest and easiest way to get your garage door opener operational again, as you do not need to install new mounting .