Garage Door Spring Replacement


Garage door spring replacement can be a daunting task for any do-it-yourselfer. Torsion springs rely on tension to stabilize the garage door and releasing that tension suddenly can be very dangerous. In the instance of a broken garage door spring there is still the hazard of removal and replacement.

The first step is determining if the spring actually requires replacing. Obviously if it has snapped then it will need to be fixed, but other symptoms include uneven or difficult opening and closing, bouncing, or a grinding noise during use. In these instances, repair or replacement is prudent. It is better to address the issue quickly before it deteriorates and affects the other parts of the garage door and the safety of your home. I would recommend a garage door spring repair professional who knows how to properly and safely replace the spring however, the following steps will help you understand how it is done.

There are also two types of garage door springs that you should know the difference between. The torsion springs which can include one or two depending on the model and style of the door, and also the extension spring which runs along the top of the garage door.

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Garage Door Spring Replacement

Step 1: Gather the tools including a replacement torsion spring, adjustable wrench, vice grips and heavy duty gloves.

Step 2: Close the garage door and disconnect the power to the motor by pulling the plug that runs fron it usually into the ceiling directly above it.

Step 3: Pull the pin from the opener bracket that holds it to the door. A good safety measure here is to attach some vice grips to the track of the door around 2-4 inches from the door roller. This prevents the garage door from sliding up during the replacement process.

Step 4: Locate the torsion spring to be replaced. Insert the winding rod (that usually comes with the replacement spring) into the hole in the winding cone at the base of the spring.

Step 5: After loosening the winding cone bolt, the winding bar will be able to turn and the tension of the spring will begin to release causing it to unwind slowly. If you are attempting the garage door spring repair your self it is very important that you  stand off to the side while remaining tension is released.

Step 6: Have a look at the spring bracket lag screws and tighten them if they seem loose to the turn of your hand. Disengage the bolts holding the spring to the center stationary cone located at the end of the spring where the bracket is located.

Step 7: It’s time to remove the existing broken or damaged spring. Slide the spring towards the cable drum. Remove the cable drum and slide it away from the plate. Oil the bearings place the cone onto the shaft and place the stationary cone back onto the shaft. Put on the replacement spring, behind the cone. Then slide the  winding cone onto the shaft at the back the spring. Slide the cable drum onto the shaft and then insert the shaft into the bearing.

Step 8: Once the new spring is on and the drums have been re-attached, re-tighten the the retaining bolts and rotate the drum to locate the slots. Move the shaft towards the bearing plate so that the drum is in-line with the track.

Step 9: Place the cable into the hole on the cable drum and proceed to wind it tightly around it.

Step 12: Start winding the cone by hand and then using the winding bar to gain more torsion. Then tighten the retaining bolts to secure the unit in place.

Step 13: Test the door by pulling on the winding bar. It should raise easily and lower slowly by itself, stopping on the way up at the vice grips you applied to the tracks previously. Pull down on the winding bar until the garage door raises 3 inches. The rollers will hit the vise grip on the track and at that point let the bar go and the door should go back down by itself. If the door does not do this then loosen the retaining bolts, relieve some of the tension via the winding bar and re-secure the retaining bolts. Re-test.

Step 14: Take off the vice grips preventing the door from sliding and reconnect the motor.

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Warning: Garage door spring repair can be extremely hazardous since they are under a tremendous amount of tension. Releasing this tension without proper training, instruction or without the aid of a professional garage door replacement expert can potentially result in injury or even death. We at www.garagedoortorsionspringsupply.com encourage you to seek the professional services provided by this site to aid you in your next garage door spring replacement project and make sure your products adhere to the standards set forth by the US Government.

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