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.
Replacing a garage door extension spring.
Unplug the power cord to your garage door opener.
Once in place disconnect the.
How to replace a garage door extension spring step 1.
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.
Get it right the first time.
The following steps will walk you through how to replace an extension garage door spring.
Replacing garage door extension spring safety cable.
If you have an older opener you may need to remove a fuse or flip.
Some garage door openers have a neutral position for the trolley disconnect.
Disengage the opener from the door.
With a second set of hands to help you along manually lift the door off the ground and lock.