Spot the bar that runs parallel to the top of the garage door and has 2 springs on it.
How to balance a garage door with two torsion springs.
Adjusting an extension spring door.
A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
The bar also has a pulley at each end through which the garage door cables that open and close it pass.
With an extension spring door the goal is to take all the tension off the door before you even think about touching a spring you can do this by opening the door all the way and propping it up with a ladder.
Garage door springs offset the weight of the door and allow it to open and close with ease.
An out of balance garage door can close too quickly creating a potential hazard for kids and pets and placing unnecessary strain on the door s parts.
Locate the torsion springs on the bar above the garage door.