If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments.
How to tighten overhead garage door springs.
Once the spring is free of tension remove from its track hanger.
How to safely adjust your garage door spring.
Retest the door balance as you did in step 1.
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.
There are two torsion springs at each side of the garage door.
The torsion spring helps the garage door open and close easily.
The springs are located at the top inside part of the garage door.
If it was opening too quickly move it to the next lower hole.
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.