Doors with extension springs have two sets of pulleys which are sometimes called sheaves.
How to fix garage door spring.
Wipe off any excess then repeat the process on the other side.
Garage door spring repair costs an average of 250 for both materials and labor with a typical range between 150 and 350 which includes replacing two springs for multi door garages or installs needing other components replaced you might pay up to 500.
After you then disconnect the safety cable from one end.
Secure the door open preferably using c clamps.
Garage door springs cost.
There are two types of garage door springs.
Pull the cable as tight as possible before tightening the setscrews.
One at the end of each spring and one at the top of the vertical door track they also have two cables on each side.
Slide a grocery bag or piece of cardboard behind the spring to protect the garage door.
Leave the locking pliers in place and repeat the tightening procedure on the other side.
Rotate the drum to wind the cable into the winding grooves.
Leaving the garage door open and securing it ensures that the tension on the spring is released.
Diy garage door torsion spring replacement step by step how to video.
The doors with two springs are easy to replace.
Spray each spring with garage door lubricant.
One cable attaches to the bottom of the door runs up and over the pulley above the door and around the spring pulley and then attaches to the door track bracket.
Once the tension is released you can remove the spring from the track.
A couple of carabiners can.
A pair of new springs cost about 25.