Garage door openers come in several varieties.
How to install overhead garage door extension spring.
Be sure the door is open and supported when doing this.
Start your garage door spring replacement project by getting a rough measurement of your springs length and diameter.
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.
Make sure the quote includes the trip charge parts and labor.
Attach the spring to the hook or clip at the hanger bracket and then lift the spring and the cables up to meet each other.
Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.
Garage door springs come in two styles.
For related information see the articles troubleshooting garage door problems and fixing garaged door openers.
There are two types of garage door springs.
Garage door springs offset the weight of the door and allow it to open and close with ease.
Then measure the width and height of your door.
Follow the included instructions to hook up the opener and fasten it to the spring system with a pulley and cable.
A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
The doors with two springs are easy to replace.
A couple of carabiners can.
A pair of new springs cost about 25.
Following are the steps necessary to replace one or more of these springs while taking safety precautions.
If both springs are the same length the garage door should be level across the floor.
Extension springs the other kind of garage door springs are torsion springs run alongside the upper garage door tracks the ones that run parallel to the ceiling and stretch or extend out and back to help lift the garage door.
To install the opener you ll need to hang another angle iron from the center joist on your garage s ceiling.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.