The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
How to replace garage door opener gear.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30.
Step 1 unplug opener.
Video overviews how to replace your garage door opener main drive gear on chamberlain sears craftsman and liftmaster garage door openers.
You ll need to get a replacement gear set.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer.
This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
It s one of the most common garage door opener repair problems there is.
Several components will need to be removed to get at the gear.
This was a craftsman model 139 53976srt.
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.
Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Garage door opener repair 101.
It can be a complicated repair but not impossible to do yourself.
Not a difficult repair and can save you a couple hundred do.
How to change the gear on a liftmaster accessmaster craftsman chain drive garage door opener.
Garage door opener won t open all the way fix.