Garage Door Repair in Dallas & the east metroplex

Your door is a counterbalance system, not a motor

The opener does not lift the door. A half horsepower motor cannot raise 200 pounds of steel on a chain; what it does is push and pull a door that the springs have already made nearly weightless. The springs carry the load, and the opener only overcomes friction and provides direction. This single fact explains most of what goes wrong. When a spring loses tension or breaks, the opener suddenly has to move the full weight of the door, and it either stalls, strips its drive gear, or trips its own force protection. The opener is usually the victim of the failure rather than the cause of it, which is why replacing an opener on a door with tired springs buys a few months and then repeats the problem.

The balance test we run before anything else

Pull the red release handle with the door closed, then lift the door by hand. A correctly balanced door takes roughly ten pounds of effort to start moving and will hold its own position when you let go at waist height. If it slams back down, the springs no longer have enough tension. If it flies up and pins itself open, they have too much. If it stops moving smoothly and grabs at a certain point in travel, the problem is in the track or the rollers rather than the counterbalance. That test costs nothing and rules out entire categories of failure before a single tool comes off the truck.

Five components account for most of what we see

Torsion or extension springs are first, because they take the entire load every cycle. Lift cables are second, since they carry that load in tension and fail at the drum or the bottom bracket where they bend and rub. Rollers and hinges are third; nylon rollers with sealed bearings last about a decade, and stem wear puts the door out of square. Fourth is the opener itself, usually a stripped plastic drive gear on a chain unit or a logic board taken out by a power surge. Fifth is the safety and travel system: photo eyes knocked out of alignment, dirty lenses, and close limit or force settings that no longer match the door.

Why the same symptom has several possible causes

Consider a door that reverses two inches before it touches the floor. It could be the photo eyes, misaligned by a bicycle handlebar or blinded by low afternoon sun. It could be a close limit set slightly too far, so the opener senses the door has hit something when it has actually reached the floor and kept pushing. It could be a binding roller adding resistance partway down that the force setting reads as an obstruction. It could be a bottom seal that has hardened in the cold. Replacing the opener would fix exactly none of those. Diagnosis is not a formality; it is the difference between a small adjustment and a large invoice.

When we tell you not to repair it

Some doors are past the point where repair is the honest recommendation. Track that has been folded rather than merely bent will never carry a roller smoothly again. Sections with cracked stiles around the hinge plates will keep tearing out no matter how many hinges are replaced, because the steel that anchors them has failed. A door built with springs sized wrong from the original installation will keep eating springs until the counterbalance is recalculated. And when three or more sections of a sectional door are damaged, the cost of sections plus labor approaches the cost of a new door with a fresh warranty from the manufacturer. We would rather say that out loud than sell you two repairs on the way to the same conclusion.

What North Texas does to garage door hardware

This metro is hard on doors in specific, identifiable ways. Summer attic temperatures above a west facing door drive lubricants out of bearings and harden the rubber bottom seal until it no longer conforms to the slab. Expansive clay soil moves foundations seasonally, so a slab that met the door evenly three years ago now leaves a wedge of daylight on one side, and homeowners respond by cranking the close force until something binds. Hail dents skins and, more importantly, can deform the top section where the opener arm attaches. And blowing dust in an unsealed garage works its way into roller bearings and end bearing plates, where it grinds them out years early.