2026-04-14 7 min read
If you've ever had a garage door suddenly refuse to open. or heard a loud bang from the garage that sounded like a car backfiring. there's a good chance a spring just gave out. It's one of the most common garage door problems we see across La Mesa and into neighboring El Cajon, and it almost always catches homeowners completely off guard.
The truth is, springs fail predictably. They're just not designed to last forever, and most homeowners don't know what to look for until the door stops moving entirely. This guide will walk you through the signs, the costs, and the one rule that applies no matter what: leave spring replacement to a professional.
Every spring is rated by the number of cycles it can complete before the metal fatigues and fails. One cycle equals one complete open-and-close operation. Standard torsion springs. the kind mounted horizontally above most garage doors in La Mesa. are typically rated for 10,000 to 20,000 cycles. At four uses per day, that works out to roughly 7 years before failure.
For households that use the garage as the primary entry point, that timeline shrinks fast. And in our corner of East San Diego County, there's another factor at play: while La Mesa's semi-arid climate means we don't deal with the heavy rainfall or freezing temperatures that accelerate spring corrosion in other parts of the country, we do experience coastal humidity, especially during the May Gray/June Gloom season. That moisture in the air is enough to cause surface rust on spring coils over time. Rust increases friction between the coils, weakens the metal, and causes springs to fail well before their rated cycle count.
If you want to get ahead of this, check out our guide on essential garage door maintenance. there's a section specifically on spring lubrication that takes about five minutes and can meaningfully extend spring life.
Most springs give you warning before they snap. Here's what to look for:
1. The door feels unusually heavy. Try lifting the door manually from the bottom. it should feel balanced and light. If it feels like you're lifting a car hood, the springs are losing tension and the opener is compensating.
2. Visible gaps in the spring coils. Healthy torsion spring coils sit close together. If you spot a gap where the coil has separated, that spring is at or past its limit.
3. The door opens unevenly or tilts. A lopsided door is often a sign that one spring has failed while the other is still functioning. This puts enormous strain on cables, rollers, and the opener motor.
4. The opener runs but the door barely moves. When a spring fails, the opener has to lift the full dead weight of the door. often 150 to 300 pounds. without any counterbalancing help. The opener isn't built for that, and it will burn out quickly if the situation isn't addressed.
5. Loud popping, squeaking, or a sudden bang. A loud bang is the unmistakable sound of a spring snapping. If you hear it, stop using the door immediately and call for service.
6. The door won't stay open. If a partially raised door slowly drifts back down, the springs can no longer counterbalance the weight properly.
If you're noticing any of these alongside other door issues, our post on warning signs your garage door needs repair covers additional red flags worth reviewing.
Here's the honest price picture for 2026. Torsion spring replacement. the most common type. runs roughly $150 to $350 per spring, including parts and labor. Extension springs, which run alongside the door tracks on older or lighter doors, typically cost $100 to $200 per spring.
A few things that affect your total:
- Door size and weight: Heavier two-car doors require precisely matched, heavier-duty springs. which cost more. - Spring quality: Budget springs are rated for 5,000 to 10,000 cycles and may last 5 to 7 years. Premium, high-cycle springs rated for 25,000 to 50,000 cycles can last 15 to 20 years. The upcharge for high-cycle springs is typically just $50 to $100 more. and it's almost always worth it. - Replacing both springs: Most doors use two springs. When one breaks, the other is statistically near the end of its life too. Replacing just the broken spring leaves you with an unbalanced door and likely another service call within months. Have both replaced at once. the labor cost is nearly identical. - Timing: Emergency calls cost more than scheduled appointments. If you catch the warning signs early, you can book at your convenience and avoid the premium.
If your La Mesa home's garage is your main entry and exit point. and for most families it is. you're putting far more cycles on those springs than the average. High-cycle springs rated for 25,000 cycles can buy you an additional decade or more between replacements. Ask specifically about this upgrade when you call for service. Garage Door La Mesa can walk you through the right spring spec for your door's weight and usage pattern.
Torsion springs store an enormous amount of mechanical energy. When they snap, they release that energy violently and instantly. Attempting to adjust or replace them without proper tools and training is one of the more dangerous home repair decisions a person can make. the spring can cause serious injury or damage to the door system if released improperly.
This isn't a liability disclaimer. It's just true. The services we provide include proper counterbalance calibration, cable and roller inspection, lubrication, and system testing. all part of a responsible spring replacement that protects your opener and your door long after the springs are swapped.
Look above your garage door opening. If you see a large spring coiled horizontally around a metal rod above the door, that's a torsion spring. by far the most common type in La Mesa homes. If you see springs running along the horizontal tracks on either side of the door, those are extension springs.
No. and this is important. Operating the door with a broken spring puts the full weight of the door on the opener motor, which will burn out quickly. It also creates a risk of the door coming off its tracks or dropping suddenly. Disconnect the opener and leave the door closed until a technician can assess it.
For a standard residential door, most spring replacements take 45 minutes to 90 minutes. If the technician finds worn cables or rollers during the inspection, additional work may extend that slightly. but it's almost always completed in a single visit. Reach out to us to schedule a time that works for you.