How To Change Extension Springs On A Garage Door

Spotting and removing a bad garage door extension spring.

How to change extension springs on a garage door. Purchase new garage door extension springs. The new spring s diameter length and wire size or gauge must be the same as your old spring. Extension springs are attached to a pulley and i bolt. The easiest way to do this is to take the broken spring to a local garage door dealer or home improvement center so they can help you find an exact match.

Spotting a bad garage door extension spring is easy. If both springs are the same length the garage door should be level across the floor. If the coils are distended and irregular when the spring is extended then it needs to be replaced. Be sure the door is open and supported when doing this.

You can see this when your garage door is in the closed position. If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length. How to replace a garage door extension spring.