Clamp a locking pliers or a c clamp to the track just above one of the rollers.
How to fix a garage door extension spring.
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.
Loosen the unbroken spring.
Wipe off any excess then repeat the process on the other side.
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.
The new spring s diameter length and wire size or gauge must be the same as your old spring.
Spray each spring with garage door lubricant.
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.