How To Replace Garage Door Extension Springs

Do not try to remove the extension spring that is not broken when the garage door is closed.

How to replace garage door extension springs. This video will show you how to identify the correct replacement extension spring for your garage door based on color coding size or weigh. Then detach the lift cable from its connection point on the door rail near the garage door just above the garage opening and thread the loose cable around the sheave pulley attached to the spring. How to tell if your extension spring pulley needs replacement. Lower the garage door and inspect the movement with all the new installations finished be it one or both of the extension springs remove the locking clamps and lower the door to the ground. If your garage door is an extension spring garage door and the pulley breaks then the garage door will stop part of the way when you are trying to open the door.

Once in place disconnect the. To do this you will need to first detach one end of the spring from its mounting point at the back of the garage door rail farthest point away from the garage door opening. Since extension springs are determined by how much weight they each lift and the pulley system cuts this in half you need to replace your old springs with 200 pound extension springs. This typically will cause a high pitched screeching noise as well as the problems opening and closing.