One cable attaches to the bottom of the door runs up and over the pulley above the door and around the spring pulley and then attaches to the door track bracket.
How to install garage door springs.
There are two types of garage door springs.
In order to replace your garage door spring s you will need to find the current measurements in order to accurately replace the spring s.
Since extension springs are determined by how much weight they each lift and the pulley system cuts this in half you need to replace your old springs with 200 pound extension springs.
One at the end of each spring and one at the top of the vertical door track they also have two cables on each side.
Our springs are made to be a bit flexible so you don t have to get it to an exact measurement.
Garage door springs come in two styles.
Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.
Do not try to remove the extension spring that is not broken when the garage door is closed.
A couple of carabiners can.
A pair of new springs cost about 25.
In the past extension springs were safer to install but didn t have containment cables running through the center of the spring.