If your press fit pulley system has surrendered you may be able to see frayed cables or a separated press fit casing.
Garage door opener shakes when closing.
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.
The first thing you should do is close the garage door and inspect the spring s.
If your garage overhead is getting jammed or shaking and jerking as it closes the tracks should be checked.
Here s how to easily fix a garage door that jerks when opening.
They should be inspected to ensure that they are aligned correctly on the wall.
This issue tends to be worse when the door has been closed for a while.
In a worn pulley system the cables often get caught and cause the door to jerk or shake as it closes.
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.
Cast iron pulleys are the less popular pulley type that consist of one solid cast iron piece.
There are two types of pulleys.
What should you do if there is damage to the garage door.
Press fit pulleys and cast iron pulleys.
A garage door opener that is shaking really hard when opening or closing is the warning sign of a bigger problem.