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Garage Door Spring Repair & Replacement in Bay Area, CA
Torsion and extension spring replacement by licensed technicians. Same-day service on most calls. Free estimates, best-price guaranteed. Parts sourced from American Springs.
Understanding Springs
What Is a Garage Door Spring and Why Does It Break?
A garage door spring is the component that does the actual work of lifting your door. Despite what most people assume, it is not the opener motor that lifts the door — the motor simply guides it. The spring stores mechanical energy when the door closes and releases that energy to counterbalance the door’s weight as it opens. Without a functioning spring, even the most powerful opener cannot lift a standard garage door.
Springs break primarily due to age and cycle fatigue — standard torsion springs are rated for approximately 10,000 cycles, translating to roughly seven to ten years of average use. Once a spring approaches the end of its cycle life, the metal becomes brittle and can snap without warning. When a torsion spring breaks, the sound is unmistakable — a sharp bang that many homeowners describe as sounding like a gunshot.
Why Springs Break Early
Common Causes of Spring Failure
Cycle Fatigue
Standard springs rated ~10,000 cycles. Daily use wears metal over time until it snaps.
Rust & Corrosion
Coastal Bay Area humidity and salt air dramatically shorten spring life — especially in SF.
Wrong Spring Size
A spring improperly sized for the door's weight creates uneven stress and fails prematurely.
Door Imbalance
Out-of-balance doors create uneven stress on one spring, causing it to fail ahead of schedule.
Spring Types
Torsion Springs vs. Extension Springs
Understanding which type your door uses helps our technicians arrive prepared with the right parts for a same-day repair.Torsion Springs
Mounted on a steel shaft directly above the garage door opening. They work by twisting — or torting — under tension as the door moves. When the door closes, the spring winds up and stores energy. When it opens, it unwinds and releases that energy to assist the opener.
Torsion springs are the standard on modern residential and commercial doors and are available in both standard (10,000-cycle) and high-cycle versions (25,000+ cycles).
- Mounted above the door on a horizontal steel shaft
- Work by twisting — store more energy per unit of space
- Longer service life than extension springs
- Available in high-cycle and ultra-high-cycle versions
- Standard on most modern garage doors
Extension Springs
Mounted horizontally above the horizontal tracks on either side of the door. Rather than twisting, they stretch and contract as the door moves. Extension springs are more common on older doors and lighter single-car doors.
Extension springs typically have a shorter service life than torsion springs. They also require safety cables — without them, a broken spring can fly off the track with tremendous force.
- Mounted along the sides of the door on horizontal tracks
- Work by stretching — require more physical space
- Shorter service life than torsion springs
- Require safety cables to prevent dangerous recoil
- Common on older and single-car garage doors