This can happen when the door has shifted to one side causing it to appear uneven.
One side of garage door higher than other.
It also depends a lot on the number of years the door has been up as it could be that the door springs have become worn.
When the door is placed directly on the floor and it s not level it causes one side of the door hinge or latch side to be higher than one another.
An alternative would be a pocket garage door that slides sideways on tracks from within the garage door itself so that again the height or width are not effected.
There are several things that can cause this.
The most common cause of overhead type doors being out of level is frayed cables that grow in length as they fray.
If you ve had your door for a while or are in and out of it a lot it can easily end up out of alignment.
The replacement garage door should be one that hangs above the front of the garage and lowers down from the outside so it doesn t affect the height of the garage.
Or it could just be that the hardware has become loose over time.
Retest the door balance as you did in step 1.
Maybe someone bumped into it recently.
It may be the spring.
Repair a crooked garage door with help from a garage door specialist in this fr.
If it was opening too quickly move it to the next lower hole.
If you mean that one side of the garage door is lower than the other and that it hasn t always been this way then you do have a problem.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
If the concrete sags on one side you do not adjust the door to fit it.
Adjust the springs on both sides of the door the same way.
Chord length on shaft.
A crooked garage door could potentially be the sign of a much larger problem.
Arc length on shaft.
The door should be parallel to the header.
The door runs are housed in a garage door track one on each side of the garage door.
When this happens you need to shift it back into position.
Doors also rise on one side when the cable is not properly seated on the cable drum on the opposite side.
The most likely cause is that the floor is not perfectly level.
The most simple and common is door shift.