Garage Door Opener Broken Chain

The gear and sprocket assembly is inside the cover of the garage door opener motor.

Garage door opener broken chain. Chain drive garage door openers have a sprocket that is attached at the top of the motor. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. You can fix your broken door chain regardless of your familiarity with garage door repairs. An instructional video on removing or replacing the chain on a garage door opener.

Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. If the gear and sprocket assembly breaks the motor runs but the door won t move. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part. This can be easily replaced by a garage door service technician.

A garage door opener chain may make a lot of noise when you pull it to open your door but it is one of the most reliable types of door openers ever invented. The most common cause of a chain being loose and appearing broken is a broken gear and sprocket. For many generations people rely on this type of door opener not only because it is easy to use but also because it is cheap and can easily be repaired when broken.