Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
Garage door side extension springs adjustment.
You will have to adjust the tension on that side.
This tension makes it easier to lift the garage door from its closed position.
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A garage door that is not attached to the springs can fall and cause injury.
If you notice a gap on one side it means that one of the springs is putting more force on the door than the other.
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.
These are called single panel one piece garage door extension springs.
Once the spring is free of tension remove from its track hanger.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Springs should be relaxed.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
Secure the door in place.
The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.
If it was opening too quickly move it to the next lower hole.
See below to make sure the door is secured before you work on it.
If the door closes too quickly you will need to tighten the springs by tightening the cable through the loop or putting the s hook in a closer hole.
Brace door before adjusting extension springs.
While many problems that keep the door from opening are caused by broken springs a lot of other parts could be keeping your door from functioning properly.
For extension springs this is in the up position.
Adjust the springs on both sides of the door the same way.
Retest the door balance as you did in step 1.
Before you start actually adjusting the door push it up as far as possible.
As a result the door may bind as it opens and closes.
This page should help you troubleshoot your garage door problems.
To be able to adjust the springs the door must be in a position that release the tension on the springs.