That s a common problem and there is a garage door opener repair that you can do yourself for way less than the cost of a new opener.
Fix garage door opener gear.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
You ll have to get a replacement gear kit two new gears grease and washers which may take some running around.
It can be a complicated repair but not impossible to do yourself.
Pull the emergency release rope and then shut the garage door by hand.
At the end of.
Shut the garage door if it s not already closed.
You ll need to get a replacement gear set.
This is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Pull the emergency release rope to release the trolley from the garage door.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
I got my gear off of ebay for 7 shipped.
It s one of the most common garage door opener repair problems there is.
Don t take apart the whole opener just replace the main gear.
But once you have the kit in hand you can do the repair in about two hours.
Remove the cover from the garage door opener.
Position a work table near the area under your motor unit to hold the garage door opener during the repair.
It is much easier faster and cheaper.
Garage door opener won t open all the way fix.
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.
Unplug the garage door opener.
Remove the fastener ring from the straight door arm connected to the outer trolley.
Several components will need to be removed to get at the gear.