I got my gear off of ebay for 7 shipped.
Fix garage door opener gear.
This was a craftsman model 139 53976srt.
You ll need to get a replacement gear set.
Remove the cover from the garage door opener.
Don t take apart the whole opener just replace the main gear.
When repairing a garage door opener providers should check the gear and sprocket motherboards sensors chains belts screw drive trolley j arm wall mounts and brackets.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Shut the garage door if it s not already closed.
It s one of the most common garage door opener repair problems there is.
Pull the emergency release rope to release the trolley from the garage door.
Remove the fastener ring from the straight door arm connected to the outer trolley.
Position a work table near the area under your motor unit to hold the garage door opener during the repair.
But once you have the kit in hand you can do the repair in about two hours.
You ll have to get a replacement gear kit two new gears grease and washers which may take some running around.
Garage door opener won t open all the way fix.
It can be a complicated repair but not impossible to do yourself.
Several components will need to be removed to get at the 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.
If your opener is damaged beyond repair and you need to replace it expect to pay around 390 and 650 for a new opener and installation.
Unplug the garage door opener.
Pull the emergency release rope and then shut the garage door by hand.
At the end of.
This is the plastic gear that comes in direct contact with the worm drive gear on the motor.