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.
Get it right the first time.
Once in place disconnect the.
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.
How to replace a garage door extension spring step 1.
The following steps will walk you through how to replace an extension garage door spring.
Disengage the broken extension spring one end at a time.
Purchase new garage door extension springs.
Replacing garage door extension spring safety cable.
The new spring s diameter length and wire size or gauge must be the same as your old spring.
Unplug the power cord to your garage door opener.
At the far end of the door rail.