If you are underneath it it will come down on you like a guillotine.
How to clamp a garage door spring.
Working on an open garage door without vice grips.
Close the garage door and use c clamps to hold the door closed.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
To fix your garage door cables you ll want to release the tension of the springs by lifting the door.
You can go ahead and remove the clamps from the garage s tracks and lower the door manually.
You may wish to work on your garage door extension spring with your garage door up.
Use locking pliers or a c clamp to secure the door to the track to keep it from opening when you release the tension on the springs.
Do this by attaching the clamp to the garage door track just above the door roller at the very bottom on each side of the door.
Now unplug the garage door opener if you have one and disengage it by pulling the cord on the unit s arm.
Clamp a locking pliers or a c clamp to the track just above one of the rollers.
Unplug the garage door opener and clamp the door to the track.
To adjust garage door cables you ll need a stepladder c clamps a flat head screwdriver wire cutters and pliers.
Otherwise it will fall breaking all of your windows.
If the door remains in place the replacement was a.
Lubricate the spring with garage door lubricant then remove the clamp from the garage door.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
If you do so you need to clamp vice grips on the door.
Just because the door is open does not mean that the spring tension is fully released.
Disconnect the garage door opener so the door remains closed.
This will prevent the door from shooting up and breaking your nose when you wind the new springs during an overhead garage door repair.
Test the spring by lifting the door about 3 feet.
This is true even if you have a garage door opener.