Most houses on this side of the metro went up between 1950 and 2002, with the thick cluster from the 1960s and 70s - F1 and F2 both point to that era as the backbone of the housing stock across the 41 named areas we cover, Maplewood included. Doors from that build window often still run original torsion hardware, or a replacement spring sized to match it rather than to the current door. What you're seeing, usually, is fraying first: a visible gap or separation in the coil near the stationary cone, a door that drifts down on its own when it's halfway open, or a loud bang from the garage that sounds like a dropped pipe - that's a spring letting go under tension, not a car backfiring. Cables fray too, but on a 1960s-70s door with the original drum setup, the spring usually goes first because it's been cycling under load for decades. If the door opens fine by hand but the opener struggles, suspect the spring before you suspect the motor.