Disconnect the spring from the track bracket and the spring pulley and disconnect the safety cable from one end.
How to install garage door spring.
Install the new spring reinstall the pulley and reconnect the safety cable and you re done.
Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.
In the past extension springs were safer to install but didn t have containment cables running through the center of the spring.
A pair of new springs cost about 25.
Open the door to relieve the spring tension and secure it open with c clamps in the tracks.
Garage door springs come in two styles.
The doors with two springs are easy to replace.