Can You Use a Garage Door With One Cable Broken?
No. Do not run the door with one cable broken. The answer is the same even if the door still moves.
Why one cable is not enough
The two cables share the weight of the door. When one snaps the other carries a load it was not meant to carry alone. It can fail too. The door can then drop on one side or come off its track.
What usually happens
- One side of the door lifts and the other side stays low.
- The door tilts and the rollers bind in the track.
- The opener keeps pushing. Panels can bend and tracks can twist.
- The door may stop halfway and stay stuck.
What you may see
A cable hanging loose near a bottom corner. A door that sits crooked. A door that jams on the way up. A cable that has jumped off its drum. Read why garage door cables come off the drum for that last case.
What to do now
- Stop using the opener.
- Keep people and pets away from the door.
- Do not touch the cables or the bottom brackets. They are under load. See why the bottom bracket is dangerous to touch.
- Take a photo from a safe distance.
- Call a technician.
Is it the cable or the spring?
A broken spring can leave slack cables and make them slip. A technician checks both. If you heard a bang first read what a broken garage door spring sounds like.
Catch it early
A frayed cable gives a warning before it snaps. Learn how to tell if a garage door cable is frayed. Our page on garage door spring repair explains how we check cables on every visit.
Cable snapped on one side?
Call us. Leave the door alone until a technician has looked at it.