If your garage overhead is getting jammed or shaking and jerking as it closes the tracks should be checked.
Garage door opener shakes when closing.
Press fit pulleys and cast iron pulleys.
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.
The first thing you should do is close the garage door and inspect the spring s.
There are two types of pulleys.
In a worn pulley system the cables often get caught and cause the door to jerk or shake as it closes.
This issue tends to be worse when the door has been closed for a while.
Cast iron pulleys are the less popular pulley type that consist of one solid cast iron piece.
If your press fit pulley system has surrendered you may be able to see frayed cables or a separated press fit casing.
What should you do if there is damage to the garage door.
Products used in this.
When the door is opening or closing it runs on a set of tracks which keep the door in place.
Here s how to easily fix a garage door that jerks when opening.