How to Fix Garage Door Cable

Garage doors are often the largest and heaviest doors on a structure, weighing up to 500 pounds or more! Cables coupled to tension or torsion springs, on the other hand, make lifting and lowering those large doors much easier. Moving that door can become a back-breaking exercise if those wires pop off a pulley, unravel, become separated, or break. Here are some pointers for repairing, replacing, reconnecting, or rewinding garage door cables safely.

Before you repair garage door cables, there are a few things you should know.

It's crucial to understand what type of cable system you have and how it operates before attempting a garage door wire repair. To make a garage door safer to operate, there are two popular cable systems. The torsion spring-controlled cable is one, and the extension spring-controlled system is the other.

  • Cables with Torsion Spring Control

Torsion springs are frequently installed horizontally above the garage door opening on the header. It's a long bar with two high-tension springs wrapped around it and grooved roller drums on both ends.

A cable is fastened to the grooved roller by running from the bottom of either end of the lowest door panel. The wire coils around the roller as the door rises, releasing the stress on the spring.

The cable unwinds as it is lowered, and the stress on the spring increases. When the door is down, the coil springs are under more tension, making it simpler to lift but putting more strain on the wires.

  • Spring-Controlled Extension Cables

Extension springs were once only used in garages with insufficient headroom to attach a torsion system, but they have grown more popular in recent years as they are easier and safer to install. Rather than being mounted above the door and always under stress, the springs are linked to each horizontal track.

The cables pass via a pulley at the end of the spring, a pulley where the track bends to go vertical, and a pulley where the track attaches to the bottom-most door panel. The spring is relaxed and the cable is frequently a little loose when the door is up.

With the draw of the cable and the weight of the door, the spring stretches as the door lowers. When the door is closed, the spring is completely stretched, ready to assist with the door's weight when it is lifted to open.

  • Cables of Safety

The extension springs are threaded with safety cables that are fastened to the door track framework. They don't stop the spring from moving, but they are designed to keep it suspended if the door cable or the spring breaks. Its sole goal is to prevent injury or damage.

Repairing a Garage Door Cable: Some Pointers

Garage doors are large and complex, with several moving parts to manage and maintain. The cables help to lift the door and moderate its drop by transferring energy from the coiled springs.

A cable can get frayed or worn, unbuckled or detached, drop off a pulley, stretch, or break. It's helpful to know how to fix a garage door cable if this happens. The type of cable system, whether torsion or extension spring, influences how garage door cables are reattached and replaced.

  • Examine the Cable

Lift cables should be inspected on a regular basis to avoid damage or harm. Cables that are frayed or rusty should be replaced before they break. When the door is fully open, cables that sag or appear loose are more prone to become unwound from drum rollers or slip off pulleys. The sag could have been caused by cables stretching or a clamp slipping. If this happens, tighten the cords.

  • Closing the Door

This stage is influenced by where the door is when the cable breaks or releases. Attach a C-clamp to the track as close as feasible but under the bottom wheel if the door is fully or half-open. The door will be unable to move downward as a result of this. Clamps are not required until the cable breaks, leaps a pulley, or gets disconnected while the door is fully closed.

  • Garage Door Opener Must Be Disconnected

It is preferable to turn off the garage door opener's power source and detach it from the door lifting mechanism to avoid harm. You'll also be able to move the door if necessary. To unlatch the coupling, locate the release pull rope and tug on it.

  • Open the door

To repair or reattach cables, the door must be completely open to alleviate the tension on the torsion or extension springs. Lift the door until it is completely open, then clamp it shut to keep it from rolling down. Heavy doors may require two or three people to lift in order for the door to be lifted level and avoid binding or damage.

  • Examine the Springs

When a cable snaps, it can send a shockwave of energy into an extension or torsion spring, destroying it. Check for cracks or breakage in the springs and replace them if necessary. Loose cables may be the result of a torsion spring slipping, requiring the spring to be tightened and rewound.

  • Be proactive in your approach

If one of the lift cables has to be replaced due to fraying, rust, or breaking, it's better to do it at the same time. When repairing the wires, it's also a good idea to replace the bottom mounting bracket. Check for wear where the cable attaches to the top frame on extension spring doors and repair parts as needed.

  • Make Use of the Right Tools

To keep the door in place, use C-clamps or blocks and clamps on both tracks. When working above your chest height, use a ladder or step-stool; it's safer and provides more strength for activities than reaching. If necessary, use pliers, vice grips, a hammer, wrenches, screwdrivers, and winding bars. Protect yourself by using safety glasses and gloves.

How to Repair a Garage Door Cable

You have two options if your garage door cable has snapped, come off the pulley, or gotten disconnected. You may learn how to fix garage door wires fast or hire an expert to do it for you. If you decide to make the repair yourself, here are some guidelines for securely repairing a garage door cable.

  • Turn off the electric opener

Pull the release cable to disconnect the electric door opener from the garage door. If the door is partially or completely open, use a C-clamp to keep it from closing.

  • Raise the Entrance

To minimize or release the stress on extension or torsion springs, lift the door evenly into a completely open position.

  • Close the Door

To keep the door fully open, use a C-clamp or another means under the bottom wheel guide on each track.

  • Cables that have been damaged or broken should be replaced

Remove the damaged or broken cable(s) from the spring system and the base of the door. A pin is typically looped on the bottom mounting bracket by cables.

Unthread the extension spring cables from the pulleys and unfasten them from the upper frame or rail. Replacing cables involves looping them over the bottom mounting bracket, passing them through the pulleys, pulling them taut, and reattaching them to the frame.

The lift cables for torsion springs must be unwound from the drum and unhooked from the cable slot. Hook the replacement cable into the slot and wind it around the drum in the grooves until the looped end comes out under the drum and loops over the bottom mounting bracket's pin.

  • Cables should be tightened or realigned.

Cables are under little or no tension in the raised position, allowing them to be easily adjusted on pulleys and tightened. Pull the cable taut and retighten the bolts after loosening it and putting it back on the pulleys.

  • Open the door

Open the door by releasing the C-clamps or obstructing mechanisms that have been holding it open. The door may remain stationary, roll slightly, or want to close. If it decides to close its eyes, try to slow it

down without injuring yourself. The door should feel much lighter and easy to lift or lower if the springs and wires are working properly.

  • Connect the Electric Opener again.

Allow the electric opener to reconnect with the lift mechanism after being activated. To get the door opener to work properly, you may need to realign the sensor beams.

  • Check the operation of the garage door.

To make sure the door and opener (if applicable) are working properly, perform numerous lift and shut cycles.

By following these steps you can easily fix your garage door cable. Or if you feel that it's very complex for you or you have no time to fix that you may call us, our experienced staffs are ready to fix your garage door cable. ZAAAP Garage Door Repair has been providing garage door cable service all over California


We perform repairs on almost every type of garage door and seeing hundreds of doors, we can promise nothing but the best service.
Inland Empire CA:
+1 (951) 310-9909
Copyright ©2022 ZAAAP    //     Website by THEME PRESS   //     SEO, Landing Pages by CiSMARK DiGiTAL