When your new springs arrive put the new left spring.
How to install new springs on garage door.
Insert the carriage bolts through the door from the outside.
Place your new bottom bracket on the bottom of the garage door.
The doors with two springs are easy to replace.
Insert the bolts in the stationary cones of the new torsion spring and insert the bolts in the slots on the spring anchor bracket.
Pre drill the door for the new carriage bolts.
Get your new extension spring cable.
There are two types of garage door springs.
A couple of carabiners can.
Tap the carriage bolt into the garage door with a hammer.
Make sure that the bearing is inside the stationary cone.
Finger tighten nuts on bolts until the stationary cone is flush against the center bearing plate.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.
A pair of new springs cost about 25.
Don t stretch the springs so far that the sheave on the spring and the stationary sheave touch when you retest the door.
Repeat this process on the other side of the door.
Release the tension on side mounted extension springs by lifting the door and locking it in place on each side with a pair of locking pliers.
Lock the door open again with c clamps or locking pliers and stretch the extension springs another one to two inches with the garage door in its fully open position.
Slide the left spring onto the tube and add the cable drum.
Installing the new springs 1.