Broken Garage Door Spring: Signs, Safety & What to Do Next

Overview

Garage door springs counterbalance much of the door's weight so it can move in a controlled manner. When a spring breaks, the opener may no longer be able to lift the door normally and manual movement can become difficult or unsafe.

Common signs of a broken garage door spring

A loud bang came from the garage.
The door suddenly feels much heavier than usual.
The opener runs or strains but the door barely moves.
The door rises only a few inches and stops.
A visible gap appears in a torsion spring above the door.
Cables appear loose after spring tension is lost.

Do not repeatedly run the opener. Trying to force a door upward after a spring failure can place additional load on the opener and other components.

Can you open a garage door with a broken spring?

A door with a failed spring can be extremely heavy. Even if it can still move, that does not mean it is safe to operate. Avoid lifting or lowering a heavy or unstable door, particularly if cables are loose or the door is crooked.

Torsion springs vs. extension springs

Torsion springsTypically mounted on a shaft above the door opening. The spring winds and unwinds as the door operates.

Extension springsTypically installed along the horizontal tracks on certain systems and stretch as the door closes.

What does broken spring repair involve?

A professional evaluation typically confirms the failure, checks related hardware and determines the appropriate replacement spring specifications. Cables, drums, bearings, rollers and other components may also be inspected.

Ask what is included. A useful estimate should identify the spring work, related parts if needed, labor, warranty terms and other charges before work is approved.

What affects garage door spring repair cost?

Spring type and specifications.
Whether the system uses one or multiple springs.
Door size, weight and configuration.
Condition of related hardware.
Labor requirements and local market rates.
Service timing and provider availability.

Garage door spring safety

Do not loosen set screws, winding cones, spring anchors, cable drums, bottom brackets or other components connected to the spring and lifting system. Improper handling can release stored energy or allow a heavy door to move unexpectedly.

Broken garage door spring FAQs

Why did my garage door spring break?

Springs are wear components. Service cycles, corrosion, environment, door balance, installation and other factors can affect service life.

Should both springs be replaced if only one broke?

That depends on the system, spring specifications, age and condition of the remaining spring. Ask the professional to explain the recommendation.

Can the opener lift the door with a broken spring?

The opener is not intended to substitute for the door's counterbalance system. Repeated attempts can strain the opener and other components.