Sears Craftsman Garage Door Openers are America’s favorite. We have several options to choose from that will fit your individual needs. Sears garage door opener selections includes 1/2 horsepower, 3/4 horsepower, belt and chain drive as well as the Craftsman Smart Control garage door opener which allows you to control and monitor your garage door even when you are away from home.
On one-piece doors with side springs, you open the door to relieve the spring tension, and simply swap out the springs on the opener-arm mechanism; there are no cables or pulleys to deal with, and the springs have internal safety rods. Some doors have tensioners that maintain moderate tension when the door is open all the way, and on these you'll have to loosen the tensioner in order to remove the spring.

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On our EZ-Set Torsion Springs page you will find several options for replacing these springs. We also have step by step instructions for EZ-Set Torsion Spring Replacement. In addition, one of our customers has provided excellent EZ-Set Torsion System instructions for removing the spring without wrecking the winding unit that secures the stationary cone. Instead of a spanner tool, you may prefer to use a pipe wrench or large channel locks to hook the end of the spring and remove it from the cones in the last step. http://www.youtube.com/v/Z_eZc-kh40c?version=3
These instructions were first posted in 2005, and they were updated in August of 2008. I have been frank about the hazards of garage door repairs and about my own accidents incurred while replacing torsion springs. For what it's worth, you might be surprised to know that I, too, have benefitted from producing these instructions. I have not had any garage door accidents since we first published these on the web in 2005. And, in as much as I have helped keep other DIY-ers out of the emergency room, I consider myself somewhat of a medical practitioner.
Eric Jonas has been writing in small-business advertising and local community newsletters since 1998. Prior to his writing career, he became a licensed level II gas technician and continues to work in the field, also authoring educational newsletters for others in the business. Jonas is currently a graduate student with a Bachelor of Arts in English and rhetoric from McMaster University. https://youtube.com/v/Z_eZc-kh40c
Both types of springs are loaded, or under tension, when the door is closed. This gives them stored energy to help lift the door as it's being opened. When the door is all the way up, the springs are relaxed, or relatively so—they still may be under some tension. The mechanical difference between extension and torsion springs is that extension springs are loaded by stretching, or elongating, while torsion springs are loaded by twisting, creating torque.

To realign the track, first loosen the screws that hold the track to the frame. Then, gently tap the track with a rubber mallet to move it back into the proper position. Use a level to ensure it’s perfectly straight. Once you have the alignment correct, tighten the screws securely to ensure the track won’t move and cause more issues when opening your garage door. You’ll need to repeat this same process on the other tracks as well, as these may also be out of alignment.


11.2a Raise the garage door slowly. Check the door balance. If you have the correct springs the door should stay down when closed, half way when opened half way, and open when opened. If the door will drop to the floor by itself from the halfway point, add 1/4 turn of tension to each of the torsion springs. If the garage door won't stay on the floor, and if it pulls itself up when stopped halfway, close the door and remove 1/4 turn of tension from the springs.
If you have a single-car garage, an extension spring will do the job. If you’re looking for a smoother motion and an ability to lift heavier doors, you may be better off selecting the torsion spring option. And if you have a two-car garage, your door will likely be too heavy for an extension spring. In this case, the torsion spring is the better choice.
If you need to leave the door open until you can make repairs, block the door track on both sides so the door can't move, and unplug the garage door opener (if you have one). If you want to close the door, you can try closing it with the opener, making sure there's nothing in the door's path in case something goes wrong. However, this will put some strain on the opener. Alternatively, you can have a few strong helpers hold the door while you disconnect it from the opener and carefully close the door manually—again, it will be very heavy.

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A garage door spring replacement should cost between $175 and $225 for a single tension spring and between $250 and $300 for two tension springs. Most garage door companies carry a wide enough variety of spring sizes to cover most residential doors. As long as the proper amount of turns are put on the spring, there are more than one correct springs to use for any one door.

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Guest 9232954 -- check out the other answers for this question, and the links below the answers for even more - seems from $125-400 range from different contributors (should be replaced in pairs for balanced lifting unless one spring is quite new), about $200-250 or 300 seems a common charge. The springs themselves generally run about $20-50 each depending on lead they have to carry.

SNAP... bang... boom. That is the sound of a garage door torsion spring breaking. It can be a very loud noise that sounds like a firecracker or gunshot. Springs are rated for a certain number of cycles and are the first thing that will break in your garage door assembly. Broken springs are the #1 source of customer calls for garage door repair companies. If you have a broken spring, you should NEVER try to open the door, as it can be very dangerous. This repair should be left to a professional or someone with the right tools and skills. http://youtube.com/v/Z_eZc-kh40c?version=3
Home Depot local Service Providers are background checked, insured, licensed and/or registered. License or registration numbers held by or on behalf of Home Depot U.S.A., Inc. are available at homedepot.com/licensenumbers or at the Special Services Desk in The Home Depot store. State specific licensing information includes: AL 51289, 1924; AK 25084; AZ ROC252435, ROC092581; AR 228160518; CA 602331; CT HIC.533772; DC 420214000109, 410517000372; FL CRC046858, CGC1514813; GA RBCO005730, GCCO005540; HI CT-22120; ID RCE-19683; IA C091302; LA 43960, 557308, 883162; MD 85434, 42144; MA 112785, CS-107774; MI 2101089942, 2102119069; MN BC147263; MS 22222-MC; MT 37730; NE 26085; NV 38686; NJ 13VH09277500; NM 86302; NC 31521; ND 29073; OR 95843; The Home Depot U.S.A., Inc. is a Registered General Contractor in Rhode Island and its Registration Number is 9480; SC GLG110120; TN 47781; UT 286936-5501; VA 2705-068841; WA HOMED088RH; WV WV036104; WI 1046796.

In addition to the bodily risk involved, it’s simply not an easy task. There’s the possibility that you will not install it correctly. At worst, this creates the risk that the mechanism will fail at the wrong time and injure you or someone in your family. At best, this means it will malfunction, and you’ll have to call professionals to fix it. It will save time, money and potential heartache to simply call a professional to install your new door springs correctly the first time.


Measure area labeled headroom (5), which is the distance between the top of the door opening (jamb header) and the ceiling (or floor joist). 10" is required for the standard extension spring or EZ-SET® Extension Spring System while 12" is required for a standard torsion spring and EZ-SET® Torsion Spring System. If you have restricted headroom, special hardware is available. Additional headroom is required for installation of an automatic garage door opener. NOTE: If garage door height extends above the opening, the headroom measurement should be adjusted proportionately.
Fiberglass and vinyl garage doors are composite units, combining a steel core behind a fiberglass or vinyl skin. They have also polyurethane insulated base sections, or other type of foam insulation. These premium doors can match steel garage doors, and be a realistic imitation of wood (namely fiberglass units), but they may be more expensive than steel units.
It is very important that the replacement springs are calibrated for the weight of your door. Using the wrong size garage door springs will caused the to not function properly and could also cause the opener to break much quicker. Replacing extension springs can be very dangerous and if done wrong can harm someone using the garage door. Make sure you call the Garage Door Doctor to ensure your garage is repaired properly!

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Nothing can be more frustrating than trying to open or close your garage door, but have it get stuck halfway. The most common reason this happens is due to a broken torsion spring, a part that is responsible for providing balance. It is a common problem that has many people saying “My garage door has a broken spring or is stuck, what do I do next”? If you are in this same boat, you’ll find the information below very useful.


Install the vertical roller tracks first by wrapping the curved lip around the rollers. The top of these tracks should be approximately 8 in. below the top of the top section. Wait to install the upper tracks until this step is complete. Check the level of the top section to make sure the tops of the vertical roller tracks are level with each other. The bottom of the roller tracks should be at least 1/8 in. off the concrete floor. After leveling and mounting these tracks, install the upper roller (horizontal) tracks.

On our EZ-Set Torsion Springs page you will find several options for replacing these springs. We also have step by step instructions for EZ-Set Torsion Spring Replacement. In addition, one of our customers has provided excellent EZ-Set Torsion System instructions for removing the spring without wrecking the winding unit that secures the stationary cone. Instead of a spanner tool, you may prefer to use a pipe wrench or large channel locks to hook the end of the spring and remove it from the cones in the last step. 

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If you have a garage door opener and you suspect a spring has broken, do not disconnect the opener from the door (by pulling the red emergency release handle) while the door is open. If you do, the door can come crashing down under its nearly full weight, with nothing to stop it. This is an extremely dangerous situation. It is never safe to leave the door open when a spring has broken because someone might try to close the door without realizing how heavy it is. Or, they might pull the emergency release handle on the opener.

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6.10 If the garage door comes off the floor when you pull down on the bar, and if the cone still won't loosen, tap the bar next to the cone with a hammer to force the cone beyond the swollen portion of shaft. Maintain a firm grip on the bar; keep it firmly inserted completely into the cone; and be prepared at all times for the cone to slip, break, explode or break free from the shaft and yank the bar down.

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To evaluate whether the problem lies with the door or the automatic opener, make sure the door is in the fully closed position, then disengage the opener trolly from the door by pulling the emergency release cord. Try to lift the garage door by hand. If the door opens smoothly by hand, the problem is with the opener. If the garage door still only opens halfway, the problem is with the door.


9.12 It is now time to secure the torsion springs in the middle. For various reasons, many installers will offset the center bracket several inches from the center of the door. Offsetting the bracket makes it easier to work around the opener bracket without causing any problems in the operation of your garage door, but offsetting the bracket is not necessary. If you have a slotted center bracket, remove the vise grip and lube the shaft where it turns inside the bushing. Position the shaft so it is the same distance from the header as it is at each end. The shaft should be straight and parallel to the header.

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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.

The garage door opens and closes many times throughout the year, and something may blow inside. While it is usually something such as loose leaves or small amounts of dirt, the rails that the door travel along can collect this loose debris. Over time, the buildup of debris creates a blockage on the rails. Note where on the rails the door is stuck and clean that area. If children use the garage to leave the house, it's sometimes something as simple as a small, bouncing ball that happens to land in just the right -- or wrong -- spot.

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Step 5: Check for loose hardware, and tighten as needed. On swing-up doors, check the plates where the spring is mounted to be sure the screws are tight, and tighten any loose screws. On roll-up doors, check the hinges that hold the sections of the door together; tighten any loose screws, and replace any damaged hinges. Sagging at one side of the door can often be corrected by servicing the hinges. If a screw hole is enlarged, replace the screw with a longer one of the same diameter, and use a hollow fiber plug, dipped in carpenters' glue, with the new screw. If the wood is cracked at a hinge, remove the hinge and fill the cracks and the screw holes with wood filler. Let the filler dry and then replace the hinge. If possible, move the hinge onto solid wood.
Just like on a bike sprocket, your cables can sometimes become disengaged. Oftentimes, when a torsion spring breaks, the garage door cable will snap as a result. Sometimes, the cable will cause damage to a vehicle or wall, and if a person happens to be in the way of the cable it can cause serious harm. If you cables have snapped, you should call a professional to help you. See the video above.
Repair Sagging Garage Doors – As doors and homes age, they can shift and move and sometimes this results in a garage door that needs to be realigned or reinforced. We will send a technician to your home to adjust the doors and to inspect the entire opening to make sure the door isn’t damaged. Once we understand the problem, we will fix the needed parts and make any adjustments to the door.

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First, check to see if the transmitter on the wall inside your garage still opens your garage door when pressed. If it does, then the transmitter in your car likely just needs a simple battery replacement. If you have more than one car transmitter for your garage door, then your other transmitters will likely need new batteries soon as well, since they were probably installed around the same time.
6.8 Properly tightened screws will loosen with less than a turn. Once you loosen a set screw, keep at least one bar in the cone AT ALL TIMES until the spring is fully unwound. Many cones have been over-tightened. The spring may unwind 1/4 turn and not unwind any more until one of the set screws is loosened some more. You may need to completely remove the set screws. The shaft may be distorted and the cone still may not unwind at all.

A garage door spring replacement should cost between $175 and $225 for a single tension spring and between $250 and $300 for two tension springs. Most garage door companies carry a wide enough variety of spring sizes to cover most residential doors. As long as the proper amount of turns are put on the spring, there are more than one correct springs to use for any one door.


Sometimes, people unplug their power source and then wonder why their garage door opener fails to work. Sounds ridiculous, I know, but it does happen. Make sure that your garage door opener is plugged into a working outlet. Outlets sometimes go out without warning, so you can check to see if the outlet is working by plugging another working electronic device into it. Also, check your circuit breaker, fuse, or GFCI.
The two main garage door operating mechanisms are sectional roll-ups or tilt-ups. Garage door repair services can fix single-car, double-car or RV-height doors. Your garage door may be made of wood, steel, aluminum, masonite, vinyl, fiberglass or another material. The type of garage door repair you need really depends on the type of garage door you have and the issue at hand. Garage door repair pros often charge a flat service call fee to diagnose the problem and provide an estimate. For customers who choose to have the repair done, the service call fee may be applied to the first hour of labor (including time to make the diagnosis). If your garage door is under warranty, the repair may be free of charge. https://www.youtube.com/v/Z_eZc-kh40c?version=3
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