If you are not confident in your ability to diagnose the problem call a local garage door service company.
Garage door opener sprocket broke off.
Chain drive garage door openers have a sprocket that is attached at the top of the motor.
Operator brackets come in different styles some are.
Chain driven garage door openers should have some slack in the chain for optimal performance.
Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.
Manufacturer and model number of your garage door.
Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.
Sprocket is at the end of the opener rail closest to the garage door opening.
A new front sprocket costs about 150 200 include the labor to install it.
If the piece of metal that broke off is the piece where the j bar that connects your garage door opener to the door then you can repair this by installing a new operator bracket.
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