Purchase new garage door extension springs.
Replace garage door extension spring cable.
Slide the safety cable through the extension spring.
Thread the safety cable through the spring and tie it to the vertical bracket.
Then measure the width and height of your door.
The easiest way to do this is to take the broken spring to a local garage door dealer or home improvement center so they can help you find an exact match.
Using a staple gun works well.
If you cut off the excess cable you may need new cables the next time you replace your extension springs.
Detaching and resetting a garage door costs 100 to 200.
A safety cable is threaded through the spring to.
As a side note you should replace both springs at the same time because your garage door won t close properly if one spring has more tension than the other.
Start your garage door spring replacement project by getting a rough measurement of your springs length and diameter.
Make sure the quote includes the trip charge parts and labor.
This will keep the cable from damaging the garage door as it opens and closes.
Repairing a broken garage door spring costs 40 to 80 for winding balancing and lubricating the springs from 85 to 185 to replace broken spring cables and between 120 and 350 for a complete spring replacement.
Open the garage door to remove all spring tension and clamp it in place.
Move the remaining cable out of the way.
Replace extension garage door springs by following these steps.
Once in place disconnect the garage door.
At this point you can place the safety cable clip onto the end of the new extension spring.
The new spring s diameter length and wire size or gauge must be the same as your old spring.