How To Replace Garage Door Extension Springs

Open the garage door to remove all spring tension and clamp it in place.

How to replace garage door extension springs. 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. This video will show you how to identify the correct replacement extension spring for your garage door based on color coding size or weigh. In essence replacing garage side door extension springs is all about balance. How to tell if your extension spring pulley needs replacement. The following steps will walk you through how to replace an extension garage door spring.

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