If one of your door springs just broke and you are looking for instructions to decide if you can change the spring or springs safely and correctly, this page should help. DO NOT OPEN AND CLOSE YOUR GARAGE DOOR. Wooden garage doors are heavy and will probably damage or ruin the opener. The tops of steel doors often bend when operated with broken springs.

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The first thing to look for if your door is stuck is to check the sensors. Most automatic garage doors come with two sensors located on either side toward the bottom of the garage that will stop the door from closing in the event the event that a child or pet is in the way of the door. If your door gets stuck, the first thing to do is look at both sensors and make sure nothing is in the way.

Grab a tape measure and press the hook between two spring coils and note the length of 20 coils. Then measure 40 coils. Convert the measurements to a decimal (4-1/2 in. to 4.5 in., or 4-1/8 to 4.125, for example). Divide the two measurements by 20 and 40 to obtain the spring's wire diameter. Here's an example: 4.50 divided by 20 = .225-in. wire diameter; 9.0 divided by 40 = .225-in. wire diameter. If the two results match, you've measured correctly.

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If you use the correct tools and follow our instructions, you can rebuild the entire torsion spring system in just a few hours, without any side trips to the ER. We won't cover how to replace garage door extension spring systems in this story. But we'll show you garage door spring replacement on the more common torsion springs, the kind that mount on a bar above the garage door.

Your door’s torsion spring is located approximately one foot from the top section of your door when it is closed. It consists of two large coil springs, and is approximately the length of your arm. Its purpose is to balance the weight of your door so that a door weighing between 160 and 185 pounds is practically weightless to lift. As such, it makes it possible for a garage door opener to raise the door using only ten pounds of pressure.


A new garage door can add serious curb appeal, not to mention myriad home safety benefits. The cost of a new garage door will vary based on the type of garage door you want and the materials it will be made of. You can purchase a new garage door and have the pros install it for you, but proceed with caution as many installers won’t guarantee their labor if you didn’t purchase the garage door through their company. A new door (without installation) may cost anywhere from $200 to $4,000 or more, depending on size, brand and materials. Here are some examples of average new garage door costs, including installation:  
Sears offers two different drive mechanisms to accommodate your home and budget. If you're looking for a smooth and quiet opener for a garage door with rooms located above the garage or attached to the garage, the belt drive is going to be the best for you. You can also choose a chain drive opener, which is perfect for garages that are unattached to the home.

Overhead Door Company of Central Jersey has been in the garage door industry since 1972. Our proficient service technicians offers the best installation, maintenance and replacement for your garage doors and parts. You can check our our Before and After residential garage doors photos for reference. Kindly click on "Schedule at-home appointment" below to get started.

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"We had an unusual repair requirement. We have horizontal sliding steel doors on our 1950's equipment shed. The upper track was damaged by a roofer's forklift while they were loading supplies onto the roof. The track is made out of very heavy steel, not like the track in today's doors. Toby, responded to my request very quickly and came out of his way to inspect the damage. Although it was not something that he had encountered before, he was able to fix the track and the door is operating better than it has in years. Thank you."
Before we help you diagnose your stuck garage door, safety concerns can't be over stated. When trying to figure out how to fix a stuck garage door, it is important to take every safety precaution. Garage doors weigh hundreds of pounds and torsion springs hold a tremendous amount of energy waiting to be released, so without proper precaution it is possible to hurt yourself attempting to perform unauthorized repairs.
There are two types of garage door springs: torsion and extension. Torsion springs are horizontal and located near the top of the garage door. Check for a gap between these springs indicating a break. Springs on the sides of the garage door are extension springs. Inspect them to see if one or both of them have broken. If you have a broken spring, call a garage door technician to fix it for you as soon as possible. Never operate a garage door with a broken spring; it could severely damage the door and the operating system. Never attempt to replace a broken spring on your own, either. Replacing broken garage door springs is very dangerous for anyone other than a certified, professional repair technician.
You may remember a time as a kid when you and your siblings would close the garage door and run underneath it as fast as possible to make it out before the door closed. Well, on any garage door installed after 1993, that’s no longer possible thanks to two tiny photo eyes on either side of the garage entrance. These photo eyes transmit an invisible beam between each other that detects if anything is in the garage door’s path when it closes. This safety measure is there to prevent automatic garage doors from closing on top of someone or something and causing serious injury or damage to property.
Aging garage door springs cause the door to effectively "weigh" more as the steel loses its resiliency. With new springs, a heavy garage door should take no more than about 10 pounds of force to lift into an open position. With springs nearing the end of their lifespan, the force required to lift the door can be considerably more, since a garage door may weigh 200 pounds or more.

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Doors come with one or two torsion springs. If either spring is broken, the garage door opener may struggle to lift the weight of the door or fail to open the door at all. If a spring is broken, call a professional for service as these can be very dangerous to work with. Don’t try to open the door until a professional comes to inspect it and replace the springs. Springs can only be used for a certain number of open and close cycles, and over time they will eventually break and need replacing.

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Adding a new garage door provides a dramatic difference in your home’s appearance. When neighbors pass by, when guests pull up, or when you return from work, your house will have a distinct beauty that makes it a landmark of the neighborhood. The unique look you’ve always imagined — as well as the material, the finish, and the insulation can be found in our wide selection of garage doors.
10.13 Slowly pull down on the winding bar until the garage door rises 3" and the roller hits the vise grip on the track. The door will usually drop back down and raise the bar. If it doesn't, lift the end of the bar until the door closes. If the door comes up by itself when you hold the bar lightly, the springs are either over wound or they are too strong. You may need to remove 1/4 to 1/2 turns from the springs. If the door comes up on its own, you either have to many turns on the springs or you have the wrong springs. This can be very dangerous. We recommend getting professional help. Removing the winding bar could cause the garage door to knock you off the ladder.
6.7 It's now time to unwind the spring. Firmly position yourself on a steady ladder beside the garage door. Next, insert the bar into one of the holes of the winding cone. Make sure it goes all the way in. It should click when your bar hits the core. If you want to test the force you will be handling before loosening the set screws, push up on the bar one quarter turn and bring it back down. Next, while grasping the other end of the bar firmly, loosen the set screws with an open-end wrench or small adjustable wrench loose enough to come free should the cone spin. Be prepared for the torque to be transferred to the bar.

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Measure the various areas where the door will be installed: door-opening height and width, headroom (from top of opening to ceiling), and back room (length of garage). For the headroom, you should have about 10" to 12" of space, depending on the spring system you're installing. For the back room, you should have the door height, plus another 18" or more of space.
10.8 After the cone reaches the mark, continue pulling the bar off the garage door and back toward the middle of the door with your left hand. Tighten both set screws 1/2 to 3/4 turns each after each screw first meets the shaft. This is the point at which you will feel the screw meeting resistance. If the garage door spring snakes after tightening the set screws, repeat the process and stretch the spring half as much as before. Residential torsion springs are stretched 1/8" to 1/4". Larger commercial and industrial overhead garage door torsion springs are stretched as much as an inch.
What LCD said is more or less right. Those are the ranges you'd typically find you will have to pay, but it's important to remember that the rates vary across the country. One thing I always advice others to do is to get quotes from different contractors. It might not be the biggest job, but you'd be surprised how much difference there typically is in the quoted prices. If you check out the link I put in the resource, it'll take you to a site where you can get quotes from 4 different contractors at once. Under "Select service" you simply pick "Spring Replacement".

Step 2: Check the tracks with a level to make sure they're properly aligned. Horizontal tracks should slant slightly down toward the back of the garage; with roll-up doors, the vertical sections of track should be exactly plumb. Both tracks must be at the same height on the garage walls. If the tracks are not properly aligned, loosen but do not remove the screws or bolts that hold the mounting brackets, and tap the tracks carefully into position. Recheck the tracks with the level to make sure they're in the right position; then tighten the screws or bolts at the mounting brackets.

Mechanical garage door openers can pull or push a garage door with enough force to injure or kill people and pets if they become trapped. All modern openers are equipped with “force settings” that make the door reverse if it encounters too much resistance while closing or opening. Any garage door opener sold in the United States after 1992 requires safety eyes—sensors that prevent the door from closing if obstructed. Force settings should cause a door to stop or reverse on encountering more than approximately 20 lbs (9.07 kg) of resistance. Safety eyes should be installed a maximum of six inches above the ground. Many garage door injuries, and nearly all garage door related property damage, can be avoided by following these precautions.

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In order to prevent injury, garage doors automatically reverse if they come into contact with an obstacle. When the door closes halfway but then reverses for no apparent reason, this may be a sign that there is something preventing it from closing, something that you can't see. Check the tracks for stuff like dirt, rocks, bits of trash, or other debris. Give the tracks a wipe-down to dislodge anything that might be getting in the way.
When a spring breaks on a garage door an immense amount of energy being displaced. Torsion springs are mounted over the garage door and they have a shaft running through the middle. When they break, the spring unwinds in less than a second and creates a loud noise due to the coils spinning on the shaft. Based on customer feedback, it can be quite startling. http://m.youtube.com/watch?v=Z_eZc-kh40c
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