Garage Door Jerks When Closing. Apparently this is pretty common and easy to fix. While it is somewhat common when a garage door jerks while it is in operation it is a sign of age or damage.
Oct 9 1999 20020 14 81. Your garage door opens when it hits the ground. If not one cable needs to be.
What happens is that the garage door travels too far down and loads up with downward pressure thus causing a big jerk when the pressure is released.
If your garage door is experiencing shaking jerking or rattling when opening and closing there is a potential risk that the entire door may come off leaving your garage and home exposed and posing a danger to you and your familys safety. It may be your garage door sensor. Its Likely a Pulley Problem. Your garage door opens when it hits the ground.