What We Check First Before Any Repair

By San Rafael Garage Door Pros · Published October 20, 2026 · Updated October 28, 2026

The Problem

Most of the calls we get start the same way: a door that used to open fine now groans, sticks, or reverses halfway up. The owner assumes it's the opener, because that's the part with the button. It usually isn't. Houses in this service area were mostly built between 1938 and 1996, with the median landing around 1960, and across the 38 named areas we cover - from Santa Venetia and Greenbrae close in, out to Terra Linda-style tracts further from downtown - that means a lot of doors are still running on hardware nobody has made in decades. A technician who starts at the opener on a house like that is guessing. The opener is the last thing we check, not the first, because on a door this old the real problem is almost always upstream of it - in the spring, the track, or the mounting the whole system hangs from.

What Local Conditions Do

San Rafael sits in a mild temperate band, not a place that swings between hard freezes and scorching summers, so we don't see the wild expansion-and-contraction cracking that wrecks doors in harsher climates. What we do see is slow, steady wear - galvanized hardware that's been doing its job quietly for fifty-plus years without ever being stressed hard enough to fail obviously. It just gets tired. Springs lose tension gradually instead of snapping dramatically. Rollers wear down a little every season instead of seizing in a cold snap. That's actually good news for homeowners: it means the warning signs show up early if you know where to look, well before a cable snaps or a spring lets go under load. The flip side is that gradual wear hides easily, especially on a door that's been serviced piecemeal over the years with whatever parts were on hand at the time.

What to Check

We start at the spring - torsion or extension, and on a house from the 1960s-70s stock that's common here, it's often original or close to it. We look at coil gap, rust at the winding cone, and whether the spring size still matches the door weight, since replacement doors are sometimes heavier than what the original hardware was sized for. Next is the track alignment, checking for the slow bend that comes from decades of use rather than one bad impact. Then rollers and hinges, cables at the bottom bracket, and the center bearing plate - a part that takes constant load and is easy to miss on an older door. Only after all of that do we test the opener's force settings and safety reversal. On a mid-century house, the opener is frequently the newest part on the whole system, bolted onto hardware two or three times its age.

The Common Mistake

The mistake we see most often is replacing the opener and stopping there, because it's the visible, electronic-feeling part and swapping it feels like a real fix. It can mask a spring or track problem for a while - sometimes months - until the underlying wear catches up and the door fails anyway, now with a brand-new opener straining against bad hardware. We won't sell a new opener onto a door with a tired spring or a bent track; it's not worth your money, and it's not a fix we'd stand behind. The other side of that honesty: once a door's springs, cables, and track are original from a 1960-era build, patching one part at a time usually costs more over a few years than replacing the aging hardware as a set. We'll tell you which situation you're in before we start any work, not after.

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