Cable, roller and off-track repair in Des Moines
Crooked or jammed in its track? Stop using it and keep clear.
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What to know
When a cable slips or a roller leaves the track, the door hangs crooked and can fall. Unplug the opener, keep clear and call.
The short version
Lift cables run from the bottom corners of the door up to drums on the spring shaft. Rollers carry the door along two steel tracks. When a cable slips off its drum or a roller pops out of the track, one side of the door drops or jams and the door hangs crooked. It’s one of the more dangerous garage door problems, because the door can fall or twist further.
Signs of a cable, roller or track problem
- One side of the door is higher than the other, or there’s a gap at one bottom corner.
- A cable is loose, frayed, or hanging off its drum near the top of the door.
- A roller is outside the track, or the track is bent where a car or snowblower hit it.
- The door grinds, shudders or jerks as it moves, especially near the bottom.
- The door stopped partway and the opener strains or reverses.
What causes it
The usual causes are a broken spring that lets a cable go slack, a car or mower bumping the track, rollers that have worn or rusted until they bind, or an opener that kept pushing after something blocked the door. In the Des Moines metro, winter adds its own causes: salt brine eats at the lower rollers and track, and a bottom seal frozen to the floor can make the opener pull the door out of line when it finally lets go.
What the repair involves
A pro first clamps the door so it can’t fall, then releases the spring tension so the cables can be handled safely. They put the door back in line, replace any frayed cables and worn or bent rollers, straighten or replace damaged track sections, and then rewind the springs and balance the door. Often the cables and the springs are replaced together, because one failure usually stresses the other.
What it costs
| Job | National estimate | Source |
|---|---|---|
| Cable repair or replacement | $150 to $350 | HomeGuide |
| Off-track door realigned | $200 to $350 | HomeGuide |
| Track section replaced | $125 to $300 | HomeGuide |
In national cost guides, cable repair or replacement runs about $150 to $350, putting an off-track door back in line about $200 to $350, and replacing a bent track section about $125 to $300. A door with a creased panel, or one that also needs springs, costs more.
Rollers: steel or nylon
Many builder-grade doors come with unsealed steel rollers. They’re loud and they rust. Sealed nylon rollers with ball bearings are quieter and hold up better to salt and moisture, which makes them a sensible upgrade during any track or cable repair. Hinges get worn at the same points, so ask the pro to check them too.
Related pages: spring replacement, general garage door repair and urgent requests if the door is stuck open.
Questions about cable, roller and off-track repair
Can I put my garage door back on the track myself?
It’s not worth the risk. The cables and springs are under tension, and a door that is out of its track can fall. Unplug the opener, keep clear, and have a pro secure and realign it.
Why did my garage door cable snap?
Cables wear and rust over time, and a broken spring or a door that binds can put a sudden load on them. Salt and moisture in Iowa garages speed up corrosion at the bottom brackets where cables attach.
Should I replace steel rollers with nylon?
Sealed nylon rollers with bearings are quieter and resist rust better than plain steel rollers. They’re a common upgrade during a track or cable repair.
Other services
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