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How to change cylinder door lock without key.
Examine the handle and trim on the interior side of the door.
There may be a small pinhole holding the handle in place.
Interchangeable lock cylinders are often found in residential and office doors while storefront lock cylinders are typically found in the doors for retail outlets and businesses.
If you want to change the key in your lock it s likely you ll have to replace the lock cylinder.
Insert the pin straight through the lock cylinder to reach the lock s release mechanism.
If you want to pick a lock in order to unlock a door without a lock you will need some basic lock picking tools.
How to re key a door lock change your locks yourself by removing the lock cylinder and changing the pins.
The key pins correspond to specific groove cuts on a key and these are the main elements that are targeted in the attempt to unlock a door without a key via lock picking.
Locate the screws on the cover plate on the interior side of the door.
Lock cylinders can also be found in the ignition in most vehicles.