Lubricate the spring with garage door lubricant then remove the clamp from the garage door.
Old style garage door spring replacement.
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.
If you only replace the broken spring your old spring will be weaker as it will have lost some of its pull.
A pair of new springs cost about 25.
Prime line gd 12232 right hand wind garage door torsion spring replace broken garage door springs 243 in.
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Doors with extension springs have two sets of pulleys which are sometimes called sheaves.
If the door remains in place the replacement was a.
If you have two springs on each side of your door and only replace one broken spring you can run into more problems.
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.
The doors with two springs are easy to replace.
Test the spring by lifting the door about 3 feet.