Some garage door openers have a neutral position for the trolley disconnect.
How to instal a garage door spring.
A pair of new springs cost about 25.
Unplug the garage door opener and clamp the door to the track.
This can still be done when only one extension spring is broken.
You may need to use a 2x4 or some other object to pry the garage door open.
Disengage the opener from the door.
Disconnect the garage door opener so the door remains closed.
In the past extension springs were safer to install but didn t have containment cables running through the center of the spring.
There are two types of garage door springs.
Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.
The doors with two springs are easy to replace.
Garage door springs come in two styles.
Weigh your garage door.