This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
How to change garage door opener gear.
It included every serviceable part i could possibly need to this repair and even had the lubricating grease included.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
Before doing any work on the garage door opener you must unplug the opener to guard against the possibility of an accident.
All of our garage door opener gear kits include helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the dual speed sprocket and gears.
Need to replace the main white drive gear.
You might try our quick change gear kit found below called the liftmaster sears large drive gear only this kit includes special quick change instructions written by a garage door repair technician with 18 years.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30.
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.
Step 1 unplug opener.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Keep your garage door opener up and running using garage door opener gear kits from liftmaster.
For example i found an oem gears repair kit for my linear ld050 garage door opener sold by the manufacturer for less than 15 here this is an amazon affiliated link.