A pair of new springs cost about 25.
How to install garage door spring.
Disconnect the spring from the track bracket and the spring pulley and disconnect the safety cable from one end.
The general process is simple and safe.
The doors with two springs are easy to replace.
Install the new spring reinstall the pulley and reconnect the safety cable and you re done.
There are two types of garage door springs.
Open the door to relieve the spring tension and secure it open with c clamps in the tracks.
A couple of carabiners can.