Step 1 unplug opener.
How to replace garage door gear.
Purchase the replacement kit depending on whether or not you are replacing the motor gear along with the motor assembly.
Then call a garage door opener repair company.
Https amzn to 2uwvnkj i m working on a chain drive opener.
If the gears are in good shape you ve got a more serious problem and your best bet may be to just replace the entire unit.
It included every serviceable part i could possibly need to this repair and even had the lubricating grease included.
If the gears break or strip the door won t move.
If yours is a belt drive you need a kit like this https amzn to 2zqns.
Shredded plastic gears are a common problem with chain driven garage door openers.
Fortunately the repair is neither difficult nor expensive and it should only take an hour of your time.
To find a replacement gear kit write down the make model and serial number of your opener you ll find it on a label on the back of the opener.
Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
A garage with space for two cars usually needs a motor with horsepower.
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.
This was a craftsman model 139 53976srt.
This gear kit on amazon.
Before doing any work on the garage door opener you must unplug the opener to guard against the possibility of an accident.
This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
Let the garage door be in a closed.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Also consider the specifications of the new motor that you are buying.
The worm gear which attaches to the motor shaft meshes with the drive gear to spin the sprocket and drive the chain to open and close the garage door.
This diy repair guide explains how to replace the drive and worm gears on a chain drive garage door opener.
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.