Guide

How Long a Spring Replacement Takes, and What Happens While We Are There

A standard garage door spring replacement takes about 45 to 90 minutes. What gets done in that time, and what makes a job run longer.

A standard two spring replacement takes about 45 to 90 minutes from the truck arriving to the door being tested. Most of that is not the springs. It is winding them correctly, re-balancing the door and checking what the failure did to the cables, drums and opener on the way out.

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The Short Answer

One spring, single door: around 45 minutes.
Two springs, double door: around an hour to 90 minutes.
Springs plus cables and drums, because the break damaged them: add 30 minutes.
Extension springs converted to a torsion system: half a day, and it is quoted as its own job at 689 dollars.

A job that takes twenty minutes is a job where something got skipped. A job that takes four hours on a standard door usually means the technician did not have the right spring on the truck.

Measuring the old spring, before anything is touched

Four numbers decide which spring goes on: the wire diameter, the inside diameter of the coil, the overall length and the wind direction. Get the wire size wrong by one gauge and the door is either too heavy to lift or it flies up and slams at the top. This is the step that matters most and it is the step a rushed job guesses at.

Unwinding what is left

A broken spring still holds tension in the unbroken half, and the second spring on a two spring door is still fully wound. Both come off under control with winding bars. This is the part of the job that injures people who try it themselves, and it is not a strength problem, it is a technique problem.

Checking what the break damaged

When a spring lets go, the door drops and the cables go slack. Slack cable jumps off the drum, and a cable that has been off the drum is usually kinked or frayed at the ferrule. The bearings at the ends of the bar get inspected too, because a dry bearing is what took the spring out early in the first place. Cables are 200 dollars for the pair and a drum is 125 dollars each, and you hear those numbers before anything is fitted, not after.

Fitting and winding the new springs

The new spring goes on and gets wound to the number of turns its length calls for, not to feel. Then the cones are set and the cables are seated in the drums with even tension on both sides, which is what stops a door lifting crooked.

Balancing, which is the real test

The opener gets disconnected and the door is lifted by hand to halfway. A correctly balanced door stays where it is put. If it creeps up, there is too much tension. If it sinks, not enough. It gets adjusted until it holds, because a balanced door is the difference between an opener that lasts fifteen years and one that burns out in three.

Safety checks and the reversal test

The photo eyes get aligned, the down force gets set, and the door is run onto a solid object to confirm it reverses. Then it runs a full cycle on the opener in front of you.

What Makes A Job Take Longer

A special order spring, on an oversized or a very old door. Those are quoted separately and need a second visit for the part.
A door that was out of balance for months, which usually means the opener gear is already chewed. A gear kit is 289 dollars.
Low headroom setups and torsion bars mounted at the rear, common in older Valley houses with converted garages.
A door that came off the track when the spring went, which is a realignment on top of the spring work.

Same Day, Realistically

Most spring calls that come in during business hours get done the same day, because the common spring sizes ride on the truck. That is the whole reason for carrying stock. What gets confirmed on the callback is the time, and the price comes with it.

Answers

Questions People Ask About This

How long does it take to replace a garage door spring?

About 45 minutes for a single spring and around an hour to 90 minutes for a pair on a double door, including re-balancing the door and testing the safety reversal.

Do you have the spring on the truck or does it need ordering?

The common sizes are carried on the truck, which is why most spring calls finish in one visit. Oversized and special order springs are quoted separately.

Why does the door need balancing after a spring change?

Because balance is what the spring is for. A correctly balanced door stays put when lifted halfway by hand, and the opener only has to steer it. An unbalanced door makes the opener lift the weight, which is what kills openers early.

Can you do it the same day?

Usually, if the call reaches us during business hours. The time gets confirmed on the callback, along with the price.

If You Would Rather We Just Looked At It

This is what we do all day. Every job is priced on the price list, the service call is 35 dollars and it comes off the price if the work goes ahead, and you get the exact number on the phone before anyone is booked.

Call (480) 405-0909 Garage Door Spring Repair

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