A maintenance visit isn't a repair, and we treat it that way. We check spring tension and lubricate it, inspect cables and rollers for fraying or flat spots, tighten hardware that's worked loose from thousands of open-close cycles, and test the opener's force settings and safety reversal. On a door from the mid-1980s era common here, we're also looking for hairline rust at hinge points and checking that the track hasn't bowed from heat.
We travel to Catalina Foothills from our Tucson base, about 10 miles out, so we schedule maintenance visits rather than treating them like emergency calls. If we find something during the tune-up that needs a real repair, like a spring that's a season away from snapping, we'll quote it on the spot rather than let it become a Saturday morning surprise. We don't push replacement parts that aren't warranted, and if a $40 lubrication and adjustment fixes the noise you called about, that's the invoice you'll get.