Springs · Lakeview Park
Garage Door Cable Replacement in Lakeview Park
The cable has wrapped itself around the shaft above the door instead of sitting on its drum.
In plain words
A cable visit runs in a set order. First the opener is disconnected and the door clamped so nothing can move. Then the counterbalance is unloaded so the drums, cables and bottom brackets can be handled calmly. The old cables come off, the drums and brackets are inspected, and new cables of the correct specification go on. Both sides are tensioned evenly until the door sits level, then the springs are wound back to the turns the door height calls for. Finally the door is balanced by hand, the opener reconnected and its travel and reversing checked. You are shown the finished door working before the technician leaves.
How the visit goesSomeone left the snow shovel leaning in the opening and the door came down on it. Now a loop of steel cable hangs loose beside the track and the door refuses to close the last few inches.
Garage Door Cable Replacement
How the visit goes
The drums and their set screws
On a torsion door the cable drum is where most trouble starts or shows. The technician checks that each drum is tight on the shaft and that its set screws have not loosened and let it creep, which shortens the effective cable on that side. The groove is inspected for wear ridges, cracks and burrs that would chew through a new cable, and the slot that holds the cable stop is checked for damage. Where the old cable jumped its groove, the drum is examined for the mark it left and for whether the drum or an obstruction under the door was the cause. A worn drum is replaced with its mate.
Winding the springs back on
The torsion springs are wound back up with the winding bars, a quarter turn at a time, to the number of turns the door height calls for, which is roughly one full turn for each foot of door plus a small allowance the technician judges from the balance test. The cone set screws are tightened to the shaft, the bars are removed, and the clamps come off. The cables are watched as the door is raised to make sure each wraps onto its drum in a single neat layer with no overlap and pays out cleanly on the way down. A quarter turn added or removed fine-tunes the balance.
Lubrication that helps, and where it does not belong
A few minutes with a can of garage-door lubricant twice a year keeps the whole system easy on the new cables. Spray the torsion spring lightly along its length, the hinge pins, the roller stems and bearings, and the bottom bracket pins, then run the door a few times to spread it. A light mist on the cables themselves slows rust; heavy grease is avoided because it holds grit and moisture. The tracks are left dry and simply wiped clean, since lubricant there collects dirt and lets rollers slide instead of roll. Silicone or a lithium spray made for doors is the right product.
Garage Door Cable Replacement
In the van
Clevis pins and cotter pins
Cable drums, matched pair
Winding bars
Silicone garage-door lubricant
Track clamps or locking pliers
Garage Door Cable Replacement
What affects the quote
Corrosion and seized fasteners
Set screws and bracket bolts that have rusted solid take time to free or cut, and badly corroded hardware is replaced rather than reused, which shows in the parts list.
Oversized, commercial or high-lift doors
Doors taller or wider than a standard residential opening, or fitted with high-lift hardware, use heavier cables and drums and take longer to set up, which the quote reflects.
Door weight and width
A heavy insulated double door needs a heavier cable and sometimes different drums than a light single, and the springs behind it take longer to wind down and back up.
What to have ready
- Do you have the door's manual or a label showing the model?
- Is there one spring above the opening, or springs stretched along the tracks?
- Is there rust on the cables or brackets near the floor?
Garage Door Cable Replacement: questions
QuestionsWhat should I do while waiting for the visit?
Leave the door in the position it is in and stop using the opener. Move the car and anything else you need out of the garage by another door if you can, and clear the floor near the door so the technician has room to work. If a cable jumped because the door closed on something, leave the object where it was; it helps explain what happened.
Can I lift the door by hand while a cable is off?
Leave it. With one cable slack the door is being carried on one side only, so it is unbalanced and may bind or drop unevenly when moved. The technician arrives with clamps and a method for taking the door's weight before anything is moved, and that is the moment to lift it. Until then a stationary door is exactly what you want.
Why did the cable come off the drum?
A cable leaves its drum when it goes slack for a moment while the drum keeps turning. The usual reasons are the door closing onto an object or a ridge of ice so the bottom stops early, a spring that has lost tension or broken, or a drum whose set screws let it slip on the shaft. The technician finds which of these happened and corrects it so the new cable stays seated.
Related services
- Garage Door Hinge ReplacementThe roller at the top of the second panel is leaning outward and only half of the wheel is still in the track.
- Garage Door Track Repair or ReplacementYou bought the house with a door that sticks near the top of its travel.
- Torsion Spring ReplacementLooking up at the coil above the door, you can see a clean split with a gap of several centimetres between the two halves.