The first thing you should do is close the garage door and inspect the spring s.
Garage door opener shakes when closing.
When the door is opening or closing it runs on a set of tracks which keep the door in place.
They should be inspected to ensure that they are aligned correctly on the wall.
Press fit pulleys and cast iron pulleys.
This issue tends to be worse when the door has been closed for a while.
A garage door opener that is shaking really hard when opening or closing is the warning sign of a bigger problem.
In a torsion spring system the spring will be mounted on a spring bar torsion tube that is mounted to the header above the garage door opening.
Damage on the tracks will often be in form of bends or crimps.
Cast iron pulleys are the less popular pulley type that consist of one solid cast iron piece.
If your garage door shakes when opening or closing or sounds like it is going to fall off the track the problem is most often the pulleys.
Products used in this.
Here s how to easily fix a garage door that jerks when opening.
In a worn pulley system the cables often get caught and cause the door to jerk or shake as it closes.
What should you do if there is damage to the garage door.