Sound familiar?Vaughan
- The call
- You pulled the red cord to move the door by hand during the power cut, lifted it to about waist height and let go. Instead of staying put, it kept climbing on its own and thumped into the fully open stop.

Someone replaced the springs a while back and the door has bounced at the top ever since. It slams open against the stops, then creeps down a few inches, and the opener trolley rattles because the door is pushing where it should be resting.
On a torsion door the springs sit on a shaft above the opening, and balance is set by how many turns of wind they carry. A seven-foot door typically needs a little over seven full turns; a quarter turn either way changes how the door feels. The technician clamps the door, fits winding bars into the cone, loosens the set screws, and adds or releases tension one quarter turn at a time, locking the cone again before each test. Both springs on a two-spring door are set alike so the shaft carries the load evenly. That precision is what makes the door hold wherever it is stopped.
Sound familiar?Vaughan
Garage Door Balance Adjustment · Vaughan

Scene 1
The assessment begins with the opener out of the picture. The technician closes the door, pulls the red manual release so the trolley disconnects, and lifts the door by hand to about a metre, then to full height, then lets it settle. A balanced door pauses wherever it is stopped; a door that climbs on its own has too much tension, one that drops has too little, and one that is fine low down but drifts up near the top can point to drum profile, cable length, uneven section weight or the spring's own characteristics rather than one single cause. How much effort the lift takes and whether it stays fully open are noted before anything is adjusted.
Scene 2
Once the door holds at every height by hand, the opener is reconnected and treated as its own step. Its travel limits are checked so the door closes fully onto the floor and opens to the correct height without straining against the stops. The force settings are reviewed, and where they had been raised to cope with a heavy door they are brought back to a sensible level, because the door no longer needs the help. The photo eyes are cleaned and aligned. The technician then runs several powered cycles and listens for the motor working lightly and evenly through the whole travel.
Scene 3
You will now know what the door feels like when it is right, which makes small changes easy to spot. A door that begins to close with a heavier thud, an opener that pauses at the top or hums a little longer, a gap appearing under one corner, or a door that no longer quite stays fully open when released are all early signs. Cold weather can make the door feel a little heavier for a few weeks without anything being wrong. But a door that stalls, races or no longer passes its balance check is telling you to stop using it and book an inspection promptly rather than waiting out the season, since the cause is not always minor.
What shapes the quoteConcord Garage Door Services
FeesSame any hour
Too much spring tension. The springs are pulling harder than the door weighs, so at rest they win and the door climbs. This often follows a spring replacement wound a turn too far, or a door that lost weight when heavy panels were swapped for lighter ones. Releasing a quarter turn or two, tested after each, brings it back to holding still.
It means the springs carry nearly all of the door's weight, so the door itself feels close to weightless. Balanced, it will stay put at any partly open position when moved by hand, stay fully open on its own, and close without slamming. The opener then only has to guide the door rather than lift it, which is how it was designed to work.
There is no fixed interval; the door tells you. Many doors go years between adjustments, especially when they are lubricated and the springs were sized correctly. A hand test each season is the reliable guide: if the released door holds at about a metre and stays fully open, it is fine. When it starts to drift or sink, that is the time.
YorkOntario
Garage Door Balance Adjustment · Concord, Steeles Corners, Thornhill
Every square is one home in a hundred.
On-site assessment
Someone replaced the springs a while back and the door has bounced at the top ever since.
(289) 216-7853, open 24/7.
On-site assessment preferred · (289) 216-7853, open 24/7