Garage door opener repair 101.
How to replace garage door opener gear.
Step 1 unplug 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.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Replacing the main drive gear.
Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
It s one of the most common garage door opener repair problems there is.
It can be a complicated repair but not impossible to do yourself.
This was a craftsman model 139 53976srt.
You ll need to get a replacement gear set.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Before doing any work on the garage door opener you must unplug the opener to guard against the possibility of an accident.
Video overviews how to replace your garage door opener main drive gear on chamberlain sears craftsman and liftmaster garage door openers.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer.
Garage door opener won t open all the way fix.
How to change the gear on a liftmaster accessmaster craftsman chain drive garage door opener.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
Not a difficult repair and can save you a couple hundred do.