If you have an older opener you may need to remove a fuse or flip.
Replacing a garage door extension spring.
Unplug the power cord to your garage door opener.
Disengage the broken extension spring one end at a time.
Disengage the opener from the door.
The new spring s diameter length and wire size or gauge must be the same as your old spring.
Open the garage door to remove all spring tension and clamp it in place.
At the far end of the door rail.
Get it right the first time.
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.
How to replace a garage door extension spring step 1.
Purchase new garage door extension springs.
Replacing garage door extension spring safety cable.
Once in place disconnect the.