If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length.
How to level garage door with extension springs.
For extension springs this is in the up position.
If both springs are the same length the garage door should be level across the floor.
The pull weight of an extension spring is determined by the color code found on the end of the spring.
Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.
To keep the door from falling it must be clamped to hold it in place.
Be sure the door is open and supported when doing this.
Adjust the springs on both sides of the door the same way.
Brace door before adjusting extension springs.
For a complete list of garage door extension springs for 7 8 9 10 11 12 13 and 14 tall doors click here determine the door weight and door height.
With an extension spring door the goal is to take all the tension off the door before you even think about touching a spring you can do this by opening the door all the way and propping it up with a ladder.
Adjusting an extension spring door.
Open it just as wide as you can without hitting the garage door opener s stop bolt and place a clamp on the track on both sides to keep the door in.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Raise the door and release the garage door opener.
The best and easiest way to level your crooked garage door.
Retest the door balance as you did in step 1.
In this video i will show you how to replace a broken cable for your extension spring garage door.
Garage door springs offset the weight of the door and allow it to open and close with ease.
Measure door the height.
Once the spring is free of tension remove from its track hanger.
3 springs are only sold in pairs.
If it was opening too quickly move it to the next lower hole.