Replacing the main drive gear.
How to replace garage door opener gear.
Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
How to change the gear on a liftmaster accessmaster craftsman chain drive garage door opener.
Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Not a difficult repair and can save you a couple hundred do.
Step 1 unplug opener.
It can be a complicated repair but not impossible to do yourself.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
Garage door opener won t open all the way fix.
Video overviews how to replace your garage door opener main drive gear on chamberlain sears craftsman and liftmaster garage door openers.
This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
You ll need to get a replacement gear set.
It s one of the most common garage door opener repair problems there is.
Garage door opener repair 101.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer.
Several components will need to be removed to get at the gear.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail this gear is situated between the belt and the motor drive.