How to adjust garage door tension.
Tension wire on garage door.
1 2 inches diameter x 18 inches long torsion spring winding rods garage door winding bars use for adjusting or replacing garage door tension springs 4 5 out of 5 stars 52 13 66.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
It s actually one of the most important safety mechanisms of your garage door.
Lower the door and use 2 metal rods to adjust the tension in the spring.
Then insert another rod into a hole below the rod you already inserted.
What a garage door cable does.
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The cable runs through the torsion springs literally doing the heavy lifting each time the door is raised.
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If the tension is too loose the springs that help lift the.
Lower the garage door clamp or bolt it shut so it can t open and insert 1 metal rod into 1 of the holes around the perimeter of the spring.