Match the spring to the complete door.
Spring selection depends on the door’s weight and configuration. Ask the technician to explain the replacement specification, the condition of the remaining hardware and whether replacing paired springs together makes sense for your system.
Do not loosen brackets, cables or springs. These components can store dangerous tension. Keep the area clear and leave the inspection and adjustment to a trained garage door professional.
Questions for your written quote
- Does the price include the service visit, spring, labor and adjustment?
- Will the technician inspect cables, bearings, drums and door balance?
- What parts and labor warranty applies?
- Are any additional parts necessary, and why?
A stronger opener is not a substitute for correcting a door that is unbalanced. If the opener was strained, have it assessed as part of the visit.