

Springs · Toronto
Torsion Spring Replacement in Toronto
The door starts to rise, gets about the height of your knee, then shudders and reverses.
In plain words
A spring that breaks with the car inside puts the whole morning on hold, and this service is designed to get that door working again in a single visit. The technician arrives with a range of spring sizes, secures the door so it cannot move, identifies exactly which spring the door needs, and installs and winds the replacement. Once the door balances by hand, the opener is reconnected and tested. Until then the safe approach is simple: leave the door where it is, keep clear of it, and share a photo of the spring area so the right parts arrive on the truck.
How the visit goesYou heard a sharp bang from the garage, and now the opener hums for a second and gives up. The door lifts a few centimetres at most, then settles back down as if something very heavy is holding it in place.
Torsion Spring Replacement
How the visit goes


Following the hardware the spring drives
The spring is one part of a chain, so the check follows that chain from the shaft outward. The centre bearing and the end bearings are turned by hand to feel for roughness or wobble. Cable drums are inspected for cracked flanges and worn grooves, and lift cables are examined along their length and at the bottom brackets, where fraying and rust usually start. Bottom brackets and their fasteners are looked at for corrosion, and the shaft is checked for straightness. Findings here decide whether the visit is a spring swap alone or a spring plus a few tired companions.
Reconnecting and testing the opener
With the door balanced, the opener comes back into service. The trolley is re-engaged, power is restored and the door is run open and closed under motor. Travel limits are adjusted so the door seals at the floor and stops at the right height, and force settings are set to the light load a balanced door presents. The technician then places an object flat on the floor in the door's path and confirms the door reverses on contact, and passes a hand through the photo-eye beam to confirm the door reverses again. These checks close the visit on a working, safe system.
Through the seasons
The new spring has been set for the door as it is today, and the seasons are part of its life. Cold mornings make steel and grease a little stiffer, so the door may feel marginally slower in deep winter while still balanced; lubrication in autumn helps. Slush and road salt carried in on tires settle on the bottom brackets and cable ends, so a rinse and a light spray in spring slow corrosion where the cables anchor. Summer humidity is easier on hardware but rewards a dry, clean track. Small seasonal habits like these let the spring reach its full rated cycle count.
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
Damage from the break
If the opener was run against a broken spring, the top section may be bowed, the trolley bent or a hinge strained. Correcting these so the balanced door runs on straight hardware adds to the scope.
Anchoring to the header
A centre bracket with pulled lag bolts, a split header or a corroded bracket needs refastening, reinforcing or replacement before the spring can be wound, which is included when found.
Spring specification
The wire size, inside diameter and length that the door's weight and height demand determine which spring is fitted. Larger doors take larger springs, and unusual combinations may need specially wound coils.
What to have ready
- About how many times a day does the door open and close?
- What is the door made of: steel, insulated steel, wood or aluminum?
- Is the door currently closed, open, or stuck partway?
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.