To make fine adjustments try adjusting the lifting cable instead of the spring.
Adjust garage door cable length.
A loose garage door cable is not difficult to deal with but you will need a few key tools to tighten it properly.
Garage door cables can be adjusted by the home handyman with a little bit of patience and a few simple hand tools.
The cable is attached to the door and runs to an s hook that attaches to the track support.
It s actually one of the most important safety mechanisms of your garage door.
If your cables are tightly wound on the pulley but 1 side of the door is uneven then you need to adjust the tension on the torsion spring mounted above the center of the garage door frame.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
What a garage door cable does.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
With the door propped open take the s hook out of the support and tighten or loosen the cable as needed.
Use steel rods at least 18 inches 46 cm long.
Here s a breakdown of how to adjust garage door cables.
Adjusting the garage door cables and the springs is a typical do it yourselfer s kind of a job.
The cable runs through the torsion springs literally doing the heavy lifting each time the door is raised.