For doors with torsion springs located over the door spend the 50 or so to have a garage door professional release the tension.
How to install garage door with torsion spring installation.
Set screws should be turned from 3 4 to one full turn after they have made contact with the tube on doors with two torsion springs each torsion spring remove the locking pliers.
After your new door is installed remove the old stop material on the outside of the door and replace it with the type that has a rubber weatherstrip gasket available at home centers.
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Just a video showing how to change out broken garage door torsion springs with new ones.
Insert the bolts in the stationary cones of the new torsion spring and insert the bolts in the slots on the spring anchor bracket.
In this video we show how to replace standard garage door torsion springs.