Springs · Toronto
Torsion Spring Replacement
The door starts to rise, gets about the height of your knee, then shudders and reverses.
In plain words
Every spring is built for a number of open-close cycles, and replacement is a natural moment to choose that number deliberately. A standard residential spring is commonly rated around ten thousand cycles; a family that opens the door six times a day uses those up in a few years. Higher-cycle springs use heavier wire and a longer coil to produce the same force with less stress on the steel, so they last proportionally longer. The technician can explain the trade-off and fit whichever option suits the household's use of the door, then wind and balance it accordingly.
How the visit goesThe door starts to rise, gets about the height of your knee, then shudders and reverses. The opener sounds strained, and the top section flexes as the trolley pulls on it, because the motor is doing work the spring used to do.
Torsion Spring Replacement
How the visit goes
Weighing the door honestly
A spring is chosen for a specific load, so the technician establishes what the door actually weighs rather than guessing from its appearance. With the opener released and any remaining tension safely removed, a scale under the bottom section gives a real figure. Construction is recorded alongside it: single-skin steel, insulated steel sandwich, solid wood, glass panels or an aluminum frame all sit at very different weights for the same size. Extras count as well, including added windows, a heavy bottom seal or panels replaced over the years. That weight, with the door's height, is the basis for the spring specification.
Finishing the job properly
After the balance and opener tests pass, the technician lubricates the new spring coils, bearings, hinges and roller bearings with a garage-door lubricant, leaving the track clean so the rollers run true. The old spring and any replaced parts are removed from the site. The customer is shown how the door should feel by hand, where the manual release is and how to use it, and what was installed, including the spring specification for future reference. A final look confirms clamps are off, tools are clear of the tracks and the area beneath the shaft is tidy.
Signs worth noticing going forward
A healthy spring system is quiet and even, so changes stand out. Listen for a new grinding or popping sound as the door moves, watch that both sides of the door rise together, and look at the cables for fraying or a loop that has left the drum groove. Rust streaks below the shaft, a door that takes noticeably more effort by hand, or an opener that starts to strain are all early indicators that something in the balance system wants attention. Catching these early keeps repairs small and lets the household plan a visit rather than face a stuck door.
Torsion Spring Replacement
In the van
Lift cables
Cable drums
Winding bars
Wire gauge and tape measure
Stationary cone bolts and nuts
Torsion Spring Replacement
What affects the quote
Drum type and lift configuration
Standard-lift drums are the common case. High-lift, vertical-lift or low-headroom arrangements use different drums, cable lengths and turn counts, which changes the parts and the time involved.
Centre and end bearings
With the shaft out, bearings that grind, wobble or have seized are renewed. Smooth bearings reduce the load on the spring and opener, and their condition is confirmed by hand during the check.
Condition of the lift cables
Cables that show fraying, rust or a kink at the bottom brackets are replaced so the new spring pulls on sound steel. Two good cables mean this item stays off the list.
What to have ready
- About how many times a day does the door open and close?
- Is a vehicle parked inside the garage right now?
- Did you hear a loud bang before the door stopped working?
Torsion Spring Replacement: questions
QuestionsDoes the opener need adjusting after the spring is replaced?
Usually a little. A balanced door presents a much lighter load than a door with a broken spring, so the opener's force settings are reset to suit it, and the travel limits are checked so the door seals at the floor and stops cleanly at the top. The technician then runs the reversal test and the photo-eye check to confirm the safety system responds correctly with the new balance.
How long does a torsion spring replacement take?
Most residential replacements are completed in one visit. Securing the door, measuring, removing the old spring, fitting and winding the new one, balancing and testing the opener typically takes an hour or two, longer if bearings, cables or a bent top section are also being dealt with. The technician confirms the scope after the first checks, so you know what the visit involves before the work starts.
Are springs different for a heavy wooden or insulated door?
Yes, and this is exactly why the door is weighed. A solid wood door or a thick insulated steel door can weigh far more than a single-skin steel door of the same size, so it needs heavier wire, a larger coil or a second spring to balance. The technician measures the actual weight and selects accordingly, so the finished door lifts as easily by hand as a lighter one.
Related services
- Garage Door Hinge ReplacementAfter a cold night the bottom seal had frozen to the slab.
- Garage Door Track Repair or ReplacementHalfway up, the door lurches and one roller rides onto the lip of the channel.
- Garage Door Cable ReplacementSomeone left the snow shovel leaning in the opening and the door came down on it.