The median Lake Elsinore house went up around 2002, which puts most garage doors here a good decade or two newer than what we find on the older streets closer to Temecula. That means steel sectional doors, factory-insulated in a lot of cases, on lighter-gauge tracks than the older stock, paired with chain or belt-drive openers running early rolling-code boards rather than the truly ancient dip-switch units. The failure pattern follows the age. Nylon rollers on these doors are original and starting to crack or flat-spot after two decades of daily cycling. Torsion springs rated for a standard 16-foot double are reaching the end of a normal spring life right about now, and the plastic idler pulleys on that generation of belt-drive opener wear out and start slipping. None of this is storm damage or rust-through - the climate here is mild and dry, so it's cycle wear, not weather, doing the work. A garage that's opened and closed twice a day for twenty-plus years has put a lot of hours on parts that were never meant to last forever.