Disconnect the garage door opener
Close the garage door completely
Clamp the door in place with locking pliers or C-clamps
Identify the spring type: torsion or extension
Gather the correct replacement springs, winding bars, wrenches, sockets, and safety gear
Release tension from torsion springs using proper winding bars
Remove the old torsion springs, cables, and center bracket hardware as needed
Install the new torsion springs in the correct orientation
Reattach cables and hardware
Wind the torsion springs to the specified number of turns
Tighten all set screws securely
For extension springs, secure the door and release spring tension carefully
Remove the old extension springs and safety cables
Install the new extension springs and safety cables
Reconnect all hardware and pulleys
Test door balance by lifting it manually
Adjust spring tension if needed
Reconnect the garage door opener
Test the door opening and closing operation
Check for smooth movement and proper alignment
Stop and call a professional if the door is heavy, unstable, or the spring system is damaged