Torsion spring replacement addresses the counterbalance that helps lift a garage door. A trained door technician needs to identify the appropriate spring system, assess related hardware, and check balance and operation after the work. A door that will not move can also have a cable, track or opener problem.
A visible spring break
Request spring-system assessment. Do not attempt spring adjustment yourself.
Door hangs unevenly
Describe possible cable or track symptoms. The spring may not be the only component involved.
Opener runs but door stays put
Ask for diagnosis before choosing parts. An opener replacement is a different scope from spring work.
Agree on the scope
A symptom is a starting point. Ask what the assessment will establish and which findings would change the proposed work.
Useful references
DASMA · garage door safety ↗General guidance. Confirm the scope for your property.