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How to level a garage door with extension springs.
To keep the door from falling it must be clamped to hold it in place.
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.
To be able to adjust the springs the door must be in a position that release the tension on the springs.
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.
Raise the door and release the garage door opener.
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.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Adjust the springs on both sides of the door the same way.
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.
3 springs are only sold in pairs.
Measure door the height.
Be sure the door is open and supported when doing this.
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.
8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.
Complete instruction to repair a broken garage door spring.
If it was opening too quickly move it to the next lower hole.
Home owners can replace an extension springs safely by following these steps.
Brace door before adjusting extension springs.
For extension springs this is in the up position.
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.
Adjusting an extension spring door.
Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.
