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.
Garage door vibrates closing.
Tighten one adjustable wrench onto the curved latch side of the plate to hold it while you bend the tang.
Vibration transfers through the steel framework of the opener and through the home s framing studs and drywall.
Vibration is the cause of most noise problems associated with garage door openers.
Close the door and hold a block of wood against the doorstop.
Then secure the door stop with 1 1 4 in.
This wear could damage the roller surface causing them not to roll correctly.
If you hear a garage door grinding noise it could be the rollers.
Squeaky garage door or garage door grinding sound when opening or closing.
There are two types of pulleys.