Press fit pulleys and cast iron pulleys.
Garage door opener shakes when closing.
If your press fit pulley system has surrendered you may be able to see frayed cables or a separated press fit casing.
The first thing you should do is close the garage door and inspect the spring s.
Damage on the tracks will often be in form of bends or crimps.
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.
This issue tends to be worse when the door has been closed for a while.
There are two types of pulleys.
If your garage overhead is getting jammed or shaking and jerking as it closes the tracks should be checked.
Products used in this.
What should you do if there is damage to the garage door.
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.
When the door is opening or closing it runs on a set of tracks which keep the door in place.
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.