Coat the gear teeth with new grease.
How to fix a garage door opener gear.
If the gears have screwed up teeth you can likely just replace them to solve the problem.
Shine the flashlight directly at the gear set.
Required tools for this project.
No matter what type of garage door opener you have you should always lube the rail where it comes in contact with the trolley carriage.
Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
Use a lubricant that doesn t attract dirt.
Lay the chain on the garage floor while you complete the repair.
Slide the outer trolley away from the inner trolley.
Reassemble the motor assembly and place it back in the opener.
Then install the helical gear assembly.
Test your repair with the garage door disconnected from the opener trolley.
Start by unplugging the motor.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
If you have a screw drive opener you ll need to grease several spots along the rail gear at least once or twice a year.
Put a thin layer of the grease included in the kit on the gear.
Remove retaining screws from the cover.
Silicone spray is a good choice.
If not your opener might simply be shot and you ll need a new one.