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.
Once in place disconnect the.
Disengage the broken extension spring one end at a time.
Get it right the first time.
Replacing garage door extension spring safety cable.
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.
At the far end of the door rail.
How to replace a garage door extension spring step 1.
Purchase new garage door extension springs.
Some garage door openers have a neutral position for the trolley disconnect.
With a second set of hands to help you along manually lift the door off the ground and lock.
Disengage the opener from the door.