The new spring s diameter length and wire size or gauge must be the same as your old spring.
How to fix a garage door extension spring.
A garage door weighs tans and it would be close to impossible to move it shut and open without the help of the door springs.
Wipe off any excess then repeat the process on the other side.
How to repair garage door springs and cables lock down the door.
The stretching and contracting of the door spring on the garage door balance out the heavyweight of the garage door to help it slide up and down easily during opening and closing.
Loosen the unbroken spring.
Purchase new garage door extension springs.
Clamp a locking pliers or a c clamp to the track just above one of the rollers.
Shove a winding bar into a bottom hole of the winding cone of the good spring.