How To Change Garage Door Opener. Chamberlain makes many garage door opener mechanisms used to open your garage door automatically from inside your car or via a keypad. Allow approximately five minutes for this task.
Contact the manufacturer or local retailer. If you have an older garage door that is only operated by a remote you must. It is the best option for replacing a broken garage door remote.
If you have an older garage door that is only operated by a remote you must.
First you ll want to open the access panel on the backside of your garage door opener. First you ll want to open the access panel on the backside of your garage door opener. Loosen the brackets securing it to the ceiling and gently lower it down. It also provides the best form of security against burglary theft and vandalism.