I don t know if this is the cause.
How to fix a leaning garage door.
Tighten the hinge screws screws magically work themselves loose over the years.
A friend tried pulling one corner in line and reinforcing with additional nails in studs but that did not solve the problem for the other corner.
With a drill you re more likely to over tighten the screw and strip the screw holes or chew up the screwheads.
You ll need a pair of ratcheting cable hoists also known as come alongs several 1 2 diameter screw eyes some steel or wood stakes an electric drill a circular saw a hammer and a carpenter s level.
Structure seems sound but one strut if that is what it is called has cracked.
This is how we do it.
Sometimes your garage door will close on top of an object and the cable on that side will pop off.
Safeway carpentry and doors has a great deal of experience in repairing and replacing garage roofs garage siding garage door openers garage doors and the concrete in and around a garage.
Garage door crooked and the cable came off.