The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Garage door opener grinding noise.
To test this pull the emergency.
Grinding noises can either be caused by the garage door or the opener unit.
If it still makes the same noise then the problem is with your garage door.
If the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
Garage door making popping sound when opening if your garage door makes a popping sound when opening it could be the.
Make sure that you do proper testing to find out what is really wrong with your opener.
Or it could be that your opener is burning out.
Replace the gear and sprocket assembly or the drive and worm gears when they re worn and making noises.
So start by tightening the chain find the procedure in your owner s manual.
A worn belt or chain and cable assembly can also make noise tighten chain or belt tension to correct this problem.
A loose garage door opener chain makes loud slapping sounds and causes jerky door movements that smack the rollers against the track.
Squeaky garage door or garage door grinding sound when opening or closing if you hear a garage door grinding noise.
If your garage door makes a loud noise when opening or closing especially a squeaking or grinding noise the problem may be with the rollers.
Learn how to lubricate a garage door be sure to thoroughly lubricate the rollers and all other moving parts.
If it s just a single piece door you re looking at maybe having to replace the springs same reason as above.
First disconnect the opener and open the garage door manually.
Worn gears inside the garage door opener s motor unit can make grinding or buzzing noises.
If you have a track drive opener the next step is to lubricate the opener track with grease.