Garage door springs store massive potential energy, counterbalancing door panels weighing 130 to over 350 pounds. Releasing this residual tension safely is the most hazardous portion of the job.

The technician disconnects the automatic opener and secures track-clamping locking pliers to freeze the door in place. Using hardened steel winding bars, they carefully unwind remaining spring tension in controlled quarter-turns to prevent kickback.
Next, set screws and stationary cones are loosened so worn springs can slide off the torsion shaft. During this phase, secondary components undergo thorough evaluation:
- Lift Cables: Inspected for fraying or corrosion along the drum attachments.
- Center Bearing Plate & End Rollers: Checked for metal fatigue, wear, and smooth rotation.
- Seasonal Steel Degradation: Cold snaps cause over 40% of annual spring failures due to metal brittleness, a hazard frequently compounded by snowblower garage door damage during winter months.
Critical Warning: Never force an automatic opener when a spring is broken. Operating an opener against dead weight strips nylon drive gears ($150–$250 repair) or burns out logic boards ($350–$600 replacement), requiring extensive garage door opener repair.