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.
Uneven garage door closing.
If when closing your door its bottom edge contacts the floor and then reverses direction and raises again you will need to adjust your close force.
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This page should help you troubleshoot your garage door problems.
At some point in time every homeowner in the portland area with a garage and garage door will experience a crooked and unbalanced garage door.
This can happen for a number reasons including broken and rusted springs from the heavy and regular rain in portland worn down cables from use and even broken or missaligned rollers.
Push the door back to adjust the door and get the center aligned again.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
If it was opening too quickly move it to the next lower hole.
Adjust your door opener limit switch.
Check the space under the bottom door edge to be sure it is tight against the floor surface.
There are a lot of things that feel a little uneven in your life and your garage door shouldn t be one of those things you re still trying to balance at the end of the day.
Retest the door balance as you did in step 1.
Check that it is straight.
A misaligned door results in uneven gaps along the edges and often affects closing and latching.
By pushing the door back into position you should have made the vertical track straighten.
Other times the misaligned door requires a more challenging repair like shimming the hinges.
If there is a little gap at the bottom of your garage door on one side or your garage door has been jerking back and forth it s probably because there s uneven tension from the springs.
A door sweep is a strip of flexible material at the bottom of an overhead garage door that makes contact with the floor to seal out wind.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
In some cases a simple fix like tightening the hinges is enough.
Adjustable door sweep for garage doors with uneven floors.
Adjust the springs on both sides of the door the same way.