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