Why Garage Door Cables Fail
Lift cables work alongside your torsion or extension springs, winding around a drum each time the door opens. Over thousands of cycles, the cable frays where it bends around the drum, and Phoenix's heat can accelerate the wear on the cable's coating. A cable can also snap suddenly if a spring breaks first and dumps its full load onto the cable, or if a bent track misaligns the cable's path.
Warning Signs Before a Cable Snaps
A cable rarely fails without notice. Visible fraying near the drum, a cable that looks loose or slack on one side, or a door that closes slightly crooked are all signs worth having inspected before the cable lets go completely.
Our Cable Repair Process
We first release spring tension safely, then inspect both cables, the drums, and the track for related wear before replacing the cable. We typically replace both cables as a pair, re-balance the door, and test full travel before finishing — the same standard we apply to every garage door repair.
Safety Note
Cables are under tension from the spring system. Attempting to remove or reattach a cable without releasing that tension safely is a common cause of DIY injury — this is a job for a trained technician.
How Cables, Drums and Springs Work Together
On most newer doors, a lift cable runs from a bracket at each bottom corner of the door up to a drum on the torsion bar above the opening. When the door opens, the springs turn the bar and the drums wind the cables, so the springs do the heavy lifting, not the opener. Older doors with extension springs run their cables through pulleys along the tracks instead. Because every part shares the load, a worn cable is often a sign that the drums, the bottom brackets or the springs need a look too.
What to Do If a Cable Snaps
- Stop using the opener. Running it with one cable gone can twist the door and bend the track.
- Leave the door where it is. Don’t lift it, pull it down or pull the red emergency release.
- Keep kids, pets and cars away from the opening.
- If the door is stuck open, lock the door between the garage and the house.
- Call or text (602) 637-9444. We answer 24/7.
Cables Are Always on the Truck
Springs, cables and rollers are always on the truck, so most cable repairs are finished in one visit. There’s no service-call fee, and you’ll get the price for each option before any work begins. If a spring or drum also needs replacing, we’ll show you why first.
Cable Repair Across the Valley
We serve all of Phoenix, including Deer Valley, Ahwatukee, Desert Ridge and Moon Valley, and nearby cities like Scottsdale, Glendale, Peoria and Mesa. See all service areas.