Retest the door balance as you did in step 1.
Internal garage door spring adjustment.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
If it was opening too quickly move it to the next lower hole.
This can make the other parts of the garage door last a much longer time.
Adjust the springs on both sides of the door the same way.
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.
Garage door springs offset the weight of the door and allow it to open and close with ease.
If the self closing door to your garage isn t closing hard enough to latch properly or the door slams shut you can adjust the spring hinge tension with a hex wrench and pliers.
There are two torsion springs at each side of the garage door.
Then add or release tension until you get the proper close rate photo 2.
The torsion spring helps the garage door open and close easily.
If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments.
Remove the locking pin.
Once the spring is free of tension remove from its track hanger.
Start by removing the locking pin photo 1.
How to safely adjust your garage door spring.