If the tracks have become misaligned then it s not too difficult to fix them.
Sagging garage door opening.
Visually inspect the rollers and their brackets.
The tracks keep the garage door rollers in line.
Close the garage door.
This opening system is one of the most popular options but it can manifest a problem.
If you take the garage door measurements to a local lumberyard or hardware store they will be able to help you pick out the proper support beam for your situation.
Using a ladder visually inspect both of the garage door tracks.
If your garage door opener uses a chain drive then it is probably like a lot of other garage doors.
After closer inspection i found a fatigue fracture in the steel.
This is to fix the fatigue and stren.
Garage door sagging in middle fixing misaligned tracks.
Garage door started sagging and popping this last week.
How to fix a sagging garage door step 1.
It could be the case that a strut needs to be installed in order to keep it working as it should.
Overall this gives the opener less power to open and close the door.
Over time the drive chain can loosen and create slack.