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Two detached extension springs with hooked ends on a garage bench. — Extension Spring Replacement, Burlington

Emergency Springs · Burlington

Extension Spring Replacement

The opener groans on the way up and the door slams the last foot on the way down, hard enough to rattle the windows. The motor is the same one it always was; something in the springs has stopped doing its share.

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Before the door is looked at

Call (289) 816-6526, open 24/7.

  1. When a spring breaks, the safe approach for the household is to leave the door where it is, keep people and vehicles clear, and avoid running the opener, which can damage the top section, the trolley or the gear drive.

  2. Pull the manual release only when the door is fully closed unless a technician asks otherwise; a door disconnected while partly open can move on its own if the springs are out of balance.

  3. Never drive a vehicle at a closed door to get out; the door collapses and the stored tension in the counterbalance is released. Use the release, the outside key release, or a technician.

In plain words

When one extension spring breaks, the other is replaced with it. The two springs were fitted together, have stretched the same number of times and have rusted in the same air, so the survivor is near the end of its life. More importantly, a door balances only when both sides pull equally; a new spring paired with a tired one lifts one corner ahead of the other and twists the door. Fitting a matched pair rated for the door's weight lets the technician set both sides to the same hook position and hand back a door that rises level and holds where it is left.

Sound familiar?

The home inspector's report on the house you are buying flags the garage door: extension springs with no safety cable running through them, coils showing rust, and a door that sank when he lifted it partway. The seller has never had it looked at.

How the visit goes

Extension Spring Replacement · Burlington

How the visit goes

Technician reaching up with a drill at the vertical track of a black-framed glass-panel garage door, beside a blue ladder.
  1. 1

    Pulleys, cables and the hooks that set them

    Each side of an extension system has two pulleys, one on the moving end of the spring and one fixed at the front of the horizontal track, and a lift cable that runs from the bottom bracket over both to an S-hook or clip on the track hanger. Each pulley is spun to feel for a rough bearing and looked at for a wheel worn to a sharp groove or wobbling on its bolt. The cables are followed for fraying, rust at the bottom loop and a wrap that has slipped off a pulley. Worn pulleys and cables are renewed with the springs, since a seized pulley is often what shortened the old spring's life.

  2. 2

    Threading the containment cables

    Before a spring is hung, a containment cable is fed through the centre of its coil. One end is anchored at the rear, to the hanger or the framing behind it, and the other is run forward past the pulley and fixed to the bracket at the front of the track or to the wall, with enough slack that the cable never carries load while the spring works. The cable is checked to be clear of the pulley wheel and the lift cable so nothing rubs. Both sides are done the same way, whether or not the old installation had them. A spring that breaks in future is held on the cable rather than crossing the garage.

  3. 3

    Knowing when the next set is due

    A standard extension spring is made for a set number of open-and-close cycles, commonly in the ten-thousand range, which on a door used four times a day works out to several years and on a door used twice a week to much longer. Springs age even when idle, as rust does its slow work in an unheated garage. The signs that the set is nearing the end are gradual: the door feels heavier by hand, the opener sounds as if it is working, the door drifts down from halfway, and gaps appear between coils when the door is open. Acting on those signs turns the next replacement into a planned appointment rather than a bang in the night.

In the van

  • Door-weighing scale
  • Track clamps or locking pliers
  • Garage-door spray lubricant
  • Rear spring hangers and angle iron
  • S-hooks and adjusting clips

What affects the quote

  1. 1

    Opener adjustment and testing

    Resetting the opener's force and travel to the newly balanced door and running the reversal tests is a short task that the quote names when it applies.

  2. 2

    Weight added since the door went in

    Insulation panels, windows or a wood overlay fitted after the original springs mean a heavier rating than the old pair. The door is weighed and the quote reflects the door as it is now.

  3. 3

    Corroded fasteners

    In an unheated garage the bolts through pulley forks and hanger brackets rust solid; freeing or cutting them and fitting new hardware takes time and shows in the parts list.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(289) 816-6526

Extension Spring Replacement: questions

Advice · (289) 816-6526

Would a stronger spring make the door easier to lift?

Not in a useful way. The aim is a spring that matches the door's weight, so the door holds still wherever you leave it. A spring rated above that weight pulls the door up on its own, makes it hard to close, and leans on the opener to hold it down. A spring rated below lets it sink. Matched springs, set to the same hook position, give the light, even feel you want.

What information helps when I call?

Whether the springs run along the tracks or sit above the door; whether one is broken, hanging loose or just looks stretched; whether the door is closed, open or stuck partway and level or crooked; roughly how wide and tall the door is and what it is made of; and whether there is a cable running through each spring. A photo taken from inside with the door closed answers most of that at once.

Can I use the door as soon as the work is done?

Yes. The last steps of the visit are the balance test by hand, several full cycles under power and the opener's reversal checks, so the door is ready for normal use when the technician leaves. New springs need no settling period. It is worth running it yourself once or twice while the technician is still there, so you know what a properly balanced door sounds and feels like from now on.

Halton, Ontario

Burlington information

Town
Burlington, Halton, Ontario
In business
22 years
Hours
Open 24/7 · nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

What the census means at the door

47%

Homes of every age. About 47% of homes in Burlington were built in 1980 or earlier, according to the 2021 Census.

A blend of older and newer homes usually means a blend of expectations too: keeping an original door running as long as sensible, or bringing a builder-grade door up to a quieter standard. Both are worthwhile, and the choice is explained at the door with the options side by side.

50%

A mix of homes. Single-detached houses make up about 50% of homes in Burlington (2021 Census).

Where housing is mixed, the doors are mixed as well: wide insulated doubles, narrow singles in rows and the occasional rolling door on a small commercial unit at the corner. Spring type, cable length and opener strength are matched to each door individually.

Source: Statistics Canada, 2021 Census of Population

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Request a visit

The opener groans on the way up and the door slams the last foot on the way down, hard enough to rattle the windows.

Call now · open 24/7(289) 816-6526
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 22 years in business