As a result you may run into balance issues if you only replace one spring.
Old style garage door side springs.
Once the spring is free of tension remove from its track hanger.
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.
Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
If it was opening too quickly move it to the next lower hole.
If you have one spring on each side of your door one of your springs breaks the spring on the other side will probably break soon.
Adjust the springs on both sides of the door the same way.
This tension makes it easier to lift the garage door from its closed position.
Related products spring extension taylor sectional 16 wide 7 high garage door taylor ss 23 50.