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How to change cylinder door lock without key.
Remove the faceplates for a stand alone lock cylinder without a door handle via the screws.
Locate the screws on the cover plate on the interior side of the door.
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.
There may be a small pinhole holding the handle in place.
If you want to pick a lock in order to unlock a door without a lock you will need some basic lock picking tools.
Insert the pin straight through the lock cylinder to reach the lock s release mechanism.
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Lock cylinders can also be found in the ignition in most vehicles.
If you want to change the key in your lock it s likely you ll have to replace the lock cylinder.
Insert a straightened paper clip into this hole and apply pressure to release the interior handle.