The new spring s diameter length and wire size or gauge must be the same as your old spring.
Replacing 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.
Disengage the broken extension spring one end at a time.
Replacing garage door extension spring safety cable.
If you have an older opener you may need to remove a fuse or flip.
Purchase new garage door extension springs.
With a second set of hands to help you along manually lift the door off the ground and lock.
Some garage door openers have a neutral position for the trolley disconnect.
Get it right the first time.
The following steps will walk you through how to replace an extension garage door spring.
Once in place disconnect the.
At the far end of the door rail.
Disengage the opener from the door.