Garage Door Repair for Torsion Spring Trouble in Los Angeles
What Is a Garage Door Torsion Spring? A torsion coil is the tightly wound steel spring mounted above an overhead door . Its purpose is to balance the door’s weight so the automatic opener and a person can lift it safely and evenly. As the door moves, the spring collects and releases energy through a shaft, drums, and cables. At each end of the torsion system, a door drum guides the lift cables. The door lift cable , also called a lift cable, wraps around