Springs · Wilmot
Torsion Spring Replacement
You heard a sharp bang from the garage, and now the opener hums for a second and gives up.
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 goesNothing broke outright, but the door has grown heavier each winter, opens more slowly and squeals as it moves. The springs on an older door have lost tension and the coils show pitting, so the system is asking for attention before it fails.
Torsion Spring Replacement
How the visit goes
Confirming the system layout
Doors are set up in several ways, and the replacement has to match. The technician notes whether there is one spring or two, whether the shaft is a single piece or two halves joined by a coupler, and what the shaft diameter is. Drum type is read from the drums themselves: standard-lift drums for a normal ceiling, high-lift or vertical-lift drums where the door rises well above the opening, or a rear-mounted assembly in a low-headroom garage. Track radius and headroom are measured because they change how many turns the spring needs and which drums it must work with.
Balancing the door by hand
Once the clamps are off, the technician lifts the door by hand to about waist height and lets go. A balanced door stays where it is, or drifts only slightly. If it rises on its own, the spring has a little too much tension and is eased a quarter turn; if it drops, a quarter turn is added. The door is then run through its full travel, watching that both sides move together and the sections stay flat in the tracks. This is repeated until the door feels light and stops cleanly at several heights, which is the standard the whole job is measured against.
What cycle life means for you
The spring you chose is rated for a number of full open-close cycles, and that number translates into years according to your routine. A standard-cycle spring on a door used four times a day works out to several years of service; a household with teenagers and a home workshop will use cycles sooner, while a high-cycle spring stretches the same routine considerably further. Knowing your rating and your habits gives you a rough sense of when the next replacement falls due, so spring service becomes a planned item like furnace maintenance rather than a surprise on a cold morning.
Torsion Spring Replacement
In the van
Winding bars
Cable drums
Torsion springs, oil-tempered or galvanized
Stationary cone bolts and nuts
Locking pliers for the track
Torsion Spring Replacement
What affects the quote
Spring finish
Oil-tempered and galvanized springs suit different garages. A coated or galvanized spring for a damp or salt-exposed space is a choice the customer can make when the specification is discussed.
Opener reconnection and testing
Resetting force and travel limits and running the reversal and photo-eye tests are part of the visit. An opener with worn gears or a slipping trolley uncovered during testing becomes a separate item.
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
- How many springs are mounted above the door, one or two?
- Can you send a photo of the spring area and the opener?
- Can you see a gap in the spring above the door?
Torsion Spring Replacement: questions
QuestionsIf only one spring broke, should both be replaced?
On a two-spring door both springs have completed the same number of cycles, so the intact one is usually close to the end of its life as well. Replacing the pair gives the door two matched springs sharing the load evenly and a fresh cycle count on both sides. The technician looks at the remaining spring's condition and the door's configuration, then explains the reasoning so you can choose the scope with a clear picture.
Can a spring be adjusted rather than replaced?
A spring that is intact but has relaxed slightly can be given a little more tension, within limits, to restore balance; this is a normal adjustment on a door that has settled. A spring with a broken coil is replaced as a unit, since the wire has reached the end of its life. The technician checks the condition of the steel and recommends whichever restores a balanced, safe door.
Why is my door sitting crooked since the spring broke?
On a two-spring door, one intact spring keeps pulling on its side while the broken side goes slack, so the door lifts unevenly and a cable can jump its drum. The technician levels the door, reseats the cables in their drum grooves and evens the tension after the new spring is fitted. Rollers and track are checked for damage from the crooked travel so the door runs square again.
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 ReplacementHalfway up, the door lurches and one roller rides onto the lip of the channel.
- Garage Door Cable ReplacementThe cable has wrapped itself around the shaft above the door instead of sitting on its drum.