My Sears Garage Door Opener Model 139-653000 suddenly stopped working. At
first, I heard the usual "click" but the motor made a humming sound
instead of moving the door. I removed the cover and gave the pulley a
shove and the motor kicked on and closed the door. Now all it makes is a
single "click" when I push the button to open it. Is this the symptom of a
bad motor or something else?
A very common failure of these units is the plastic gearset. The
plastic dries out and the teeth strip of like corn off a cob. The
motor turning without the gears there is very quiet. Your gears may
have some teethe left which is why you were able to "give it a kick"
and get it to go. It may have simply stopped on a section with no
teeth and you advanced it a little to where it could find some.
They sell a kit to replace the gears. There are places online where
you can order it. Easy enough to diagnose. Just take the cover off the
drive unit and see what is going on - or not.
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.