How To Replace Garage Door Extension Springs

The following steps will walk you through how to replace an extension garage door spring.

How to replace garage door extension springs. How to tell if your extension spring pulley needs replacement. This video will show you how to identify the correct replacement extension spring for your garage door based on color coding size or weigh. Open the garage door to remove all spring tension and clamp it in place. 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. In essence replacing garage side door extension springs is all about balance.

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. Do not try to remove the extension spring that is not broken when the garage door is closed. This typically will cause a high pitched screeching noise as well as the problems opening and closing. Once in place disconnect the.