This tension makes it easier to lift the garage door from its closed position.
How to install a garage door side spring.
A couple of carabiners can.
A pair of new springs cost about 25.
Unplug the garage door opener and clamp the door to the track.
Disconnect the garage door opener so the door remains closed.
Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.