Replace Door Lock Cylinder Without Key

Step 1 remove the flat screw under the latch.

Replace door lock cylinder without key. Remove the window crank. To begin unlock the door where you will be replacing the door lock cylinder either by using your key or using the inside door lock. Aim the drill into the area just above the keyway. Take care to measure carefully as matching the size can be especially problematic in older homes.

Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions. Locksmith tanning video on how to remove a screen door lock cylinder hen you don t have a key how to replace a security screen door lock cylinder barrel w. The top of the cylinder contains pins and springs which keep pressure on the keyed pins. Unlock the affected door.

Simple to replace or change a security door lock without key. Use a sharp drill bit that is designed for metal drilling. So you lost the key and now you are unable to remove the lock. After first making sure that the window is fully closed remove the window crank.

Remove the plug by pushing the plug follower supplied in the kit through the cylinder. The most critical part of this operation is removing the cylinder plug from the cylinder. Loosen them to remove the plates. Insert the key into the keyhole and turn it slightly so that it s in the open position.

Remove the faceplates for a stand alone lock cylinder without a door handle via the screws. Drill out the lock cylinder. Turn the screw under the door latch counterclockwise with a flathead screwdriver and remove it 1 x research source put the screw somewhere safe because you ll have to screw it back in later step 2 turn the key a quarter of the way. Locate the screws on the cover plate on the interior side of the door.

In this video you will see how y. Part 3 of 5. Before you learn how to change door locks measure the space where you ll install the replacement. The goal is to drill through the pin tumblers not the keyway itself.

Once you ve drilled through and broken the pins you may need to insert a flat screwdriver to retract the latch and open the door. Prop open the door as you change the lock.