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Person holding two lock cylinders beside an open painted door, with loose hardware and debris on the sill. — Seized & Jammed Lock Opening, Mississauga

Lockouts · Mississauga

Seized & Jammed Lock Opening

The shop's lever handle goes down as usual, but the latch inside the mortise case never pulls back. Staff are waiting on the sidewalk with their coffees, the door is locked, and the handle is simply moving air.

In plain words

A jammed lock looks like one problem from outside and is usually one of three inside. The cylinder itself may have seized, packed with grit, corrosion or old grease. The link between cylinder and bolt, the tailpiece or cam, may have broken, which is why a key can spin without doing anything. Or the lock may be healthy and the bolt simply pinned against the strike by a door that has moved. Seized and jammed lock opening starts by telling those apart, because the right answer for one would damage the hardware in another. Once the culprit is known, the door is opened and the cause is repaired.

Sound familiar?Mississauga

The call
The shop's lever handle goes down as usual, but the latch inside the mortise case never pulls back. Staff are waiting on the sidewalk with their coffees, the door is locked, and the handle is simply moving air.

NextHow the visit goes

Seized & Jammed Lock Opening · Mississauga

How the visit goes

Hands fitting a steel door knob into the bore of a dark door, with a yellow drill and tool bag behind. — Mississauga
  1. Scene 1

    The key in your hand

    Before blaming the lock, the locksmith looks at the key. A key that has been copied from another copy several times drifts away from the true cuts, a worn key no longer lifts the pins to the shear line, and a bent key binds before it is fully seated. If an original or a rarely used spare exists, it is tried; a lock that opens with the spare has told you the problem. Some cylinders also retain the key until the plug is returned to its neutral position, and a key that seems trapped may simply be a plug that has not come back. A fresh key cut from the code is a common outcome.

  2. Scene 2

    Inside a mortise case or lever set

    For mortise locks and lever hardware the work moves from the cylinder to the case. The locksmith gets the door open, then removes the trim and draws the case out of the door edge. Inside, a broken lever return spring, a worn hub, a bent spindle or a latch that has lost its spring is replaced with the matching part, and years of dust and hardened grease are cleaned from the contact surfaces before a fresh application of a grease suited to lock mechanisms. The case is reassembled, the spindle and cylinder are refitted, and lever, key and thumb-turn are each tested so the latch and bolt travel fully.

  3. Scene 3

    For a business: a door the staff can rely on

    On a commercial door the handover includes the people who use it. Whoever opens in the morning is shown how the lever, key and cylinder now behave, and the exit side is demonstrated so everyone knows the door opens from inside with one motion. If the mortise case was serviced, the parts that were replaced are named so a future locksmith knows what is in there. A note of which keys were tested and who holds them supports whatever key control the business runs. Spare keys are checked in the lock before they go back in the safe.

In the van

  • Electronic contact cleaner
  • Long hinge screws
  • Strike plate and hinge shims
  • Lock de-icer
  • Cylinder springs, pins and cap

What shapes the quoteErindale Lock Experts

Service or replace the cylinder
A cylinder that can be stripped, cleaned and rebuilt is quoted as labour with a few small parts; one corroded through is quoted with a replacement cylinder matched to your finish and keyway.
Small parts behind the cylinder
Tailpieces, cams, springs, cylinder caps and pins are minor items, but each one used is named on the quote so you can see what went into the lock.
Signs of an earlier struggle
A key snapped in the plug, a twisted cylinder or a bent latch from a screwdriver adds an extraction or a repair to the opening, and the locksmith points that out before quoting it.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 805-4851

Let's clear a few things up

If the cylinder is replaced, can it be keyed to my existing key?

Often, yes. A replacement cylinder in the same keyway can be pinned to the cuts on the key already on your ring, so the front and back doors stay on one key and nothing else in the house changes. If the old keyway is no longer made or the key is badly worn, the new cylinder comes with fresh keys and the other doors can be rekeyed to match in the same visit.

Does road salt affect door locks?

Yes, especially on side doors near a treated driveway or walkway. Salt spray dries into a crust inside the keyway and around the plug, and each thaw dissolves and re-deposits it deeper. Over a few winters it pits brass and makes the pins drag. The remedy is a flush with contact cleaner, a thorough drying, and a dry lubricant that sheds moisture, followed by rinsing the hardware when the weather allows.

My keypad deadbolt is jammed and the motor just whirs. Is that the same service?

Yes, with one difference. On an electronic deadbolt the motor is trying to throw a bolt that is bound in the strike, and it strains or times out instead of driving it. Door alignment is a common cause, though batteries, corrosion, an overtightened mounting bolt, or a hardware fault can produce the same strain. The locksmith frees the bolt, adjusts the strike or hinges so it travels without resistance, checks the battery contacts, and confirms the auto-lock throws cleanly with the door closed.

Mississaugainformation

PeelOntario

Town
Mississauga, Peel
In business
27 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 38 in 100 homes · mixed ages
  • About 38% of homes in Mississauga were built in 1980 or earlier, according to the 2021 Census.A mix of eras means a mix of bores and backsets. Standard modern sizes on one door, older dimensions on the door across the street. Carrying adapter plates and cylinders in both ranges lets a locksmith fit upgrades cleanly to either.
  • Single-detached houses make up about 37% of homes in Mississauga (2021 Census).In a building, a lockout happens in a hallway rather than a porch, and the neighbours notice. A locksmith confirms you belong to the suite, opens the door with the least fuss the lock allows, and leaves the door and cylinder intact for the night.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

The shop's lever handle goes down as usual, but the latch inside the mortise case never pulls back.

(289) 805-4851, open 24/7.