For most residential garage doors, you need 1 or 2 torsion springs. Standard one-car doors (10 feet wide or less) usually use one spring, while heavier double-wide or oversized doors require two to safely balance the weight and allow for smoother operation.
If you only replace the one, it will typically result in the door becoming crooked or even jamming. With torsion springs, the recommendation is to replace both, but it is not as critical. A torsion spring can work well if one is new and the other is old.
For a standard 7-foot-tall garage door, a torsion spring typically requires 7 to 7 34three-fourths𝟑𝟒 full turns (or about 28 to 31 quarter turns). The exact number largely depends on the specific door weight and the size of your cable drums.
Measure the length of ten or twenty coils of the spring that needs to be replaced, using inches. Then compare that measurement to the garage door torsion spring chart below to determine the correct wire size.
Yes, a garage door can operate with one spring, but whether it's a single spring system by design or a dual-spring system with one broken spring changes the situation entirely.
Long Life Torsion Springs
By using larger springs, you can, in most cases, quadruple your spring life while only doubling the cost of the springs. You will also avoid extra work down the road. The industry standard is 10-15,000 cycles for new doors.
Average Garage Door Spring Repair Costs
Torsion springs: $150–$350 per spring, including parts and labor. Extension springs: $100–$200 per spring, slightly less expensive but less durable. Two-spring systems: $200–$400 for both springs, often replaced together for balance.
A standard torsion spring garage door uses tightly wound steel coils mounted on a metal shaft above the door opening to counterbalance the door's weight. When the door closes, cables wind around drums to twist and store energy in the springs. Opening the door releases this rotational force.
The best garage door spring depends on your door's weight and your budget, but high-cycle oil-tempered torsion springs (minimum 16,000 to 25,000 cycles) are the industry standard for durability and longevity. Brands like DURA-LIFT and YOTOOLGDS are highly rated for DIY and replacement use.
No, you should not use standard WD-40 on garage door springs. Standard WD-40 is a water displacer and degreaser, not a lubricant. It will wash away existing grease, cause the springs to dry out, and can even attract dust and dirt.
The most common reason is a broken spring. Without it, the opener can't lift the heavy weight of the door. Look for a torsion spring split in half, an extension spring stretched or broken, or test a TorqueMaster system by manually lifting the door. If it feels very heavy, the spring is broken.
For a standard 7-foot-tall garage door, the rough opening (RO) should be framed to the exact height and width of the door (e.g., a 9′×7′ door needs a 9′ wide×7′ high RO). The interior framing is then customized with 2x6 or 2x4 jambs and trim, which creates the final finished opening.
Torsion Springs typically last longer, with 10,000–15,000 cycles. For example, opening and closing your door four times a day would give a torsion spring a lifespan of about 7–10 years. Extension Springs wear out faster, averaging 5,000–10,000 cycles—roughly 3–5 years with regular use.
Most garage doors have the space for springs with a longer cycle life. Because of the design of springs, the homeowner tends to have more cycle life options when he installs two torsion springs instead of just one.
The optimal spring for your door is going to give you the same lifespan whether you go with the perfectly sized option or if you went three sizes up and underwound it. Both will last roughly the same number of cycles before needing replacement. So really, trying to beef up your spring system isn't the smart play.
To select the correct garage door torsion springs, you need to determine your specific door's weight and the spring’s dimensions: wire size, inside diameter, length, and winding direction. Replacing them with identical measurements ensures your door remains perfectly balanced and functions safely.
Longevity – By distributing the weight of the garage door between two torsion springs instead of the traditional single spring, they not only have an easier time lifting the door, but those springs will last longer too. That means fewer repair calls to the overhead door company.
The length of the torsion spring often correlates with its life cycle. A longer spring doesn't just affect the door's operation; it can also indicate a longer lifespan, meaning fewer replacements over time.
Q) Why do I have two different sized springs on my garage door? A) Torsion Springs may be mismatched from the factory or from a previous replacement. We prefer to see the springs matching so that they work together, wear the same, and balance out the door better over a longer period of time.
Standard residential garage door torsion springs generally have an inside diameter of 134 or 222 inches, wire gauges ranging from 0.192 to 0.262 inches, and lengths of 20 to 42 inches. The exact size depends heavily on the door’s weight, height, and track radius.
There is no hard and fast rule for how long torsion springs will last. Let's say a garage averages four cycles per day. At that rate, the lifespan of garage door springs will probably be seven to nine years. But if you have a very heavy garage door, the springs could wear out after only four years.
Repairing garage doors, particularly replacing torsion springs, is dangerous work, whether you are a do-it-yourself homeowner or an experienced technician. It is impossible to cover every dangerous situation you may encounter.
The best garage door springs depend on your system, but DURA-LIFT Torsion Springs (coated steel) and Wayne Dalton TorqueMaster (for specific proprietary systems) are widely considered top-tier choices. Torsion springs are safer and last longer than extension springs.