Most calls we get from Oak Park are about openers that've started grinding or hesitating, and torsion springs that finally give out after close to forty years of cycling. The neighborhood went up mostly in the mid-1980s, and a lot of the original hardware is still in place. That means the common fail points aren't random - they're the parts that were standard on a 1986-era door: steel rollers with no nylon sleeve, single-point cable drums, and openers with chain drives that are louder every year they run. We also see broken extension springs on the older single-car layouts, since those used lighter spring setups than what you'd find on a newer double door. None of this is exotic. It's just hardware reaching the end of a long, ordinary life.