How to replace a garage door extension spring.
How to install garage door extension springs.
The new spring s diameter length and wire size or gauge must be the same as your old spring.
Replacing garage door extension springs is not a difficult task provided you know all the key steps.
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.
Purchase new garage door extension springs.