How to remove a door lock without a key.
Removing door lock cylinder without key.
Use the flat head screwdriver to turn the spindle in the center of the door lock cylinder counterclockwise until it stops.
I think there is a roll pin on the back of the tumbler that holds it all together.
As automobile keys are complex picking a chevy lock cylinder is much more complex than a regular doorknob.
Unscrew this plate and remove the latch from the door if possible.
You must be able to do it without the key.
I didn t get a key with mine either.
Look for a small set screw at the base of the handle.
At this point the square tab on the spindle is aligned with the square.
I did the same thing to replace my drivers door handle.
You drive the roll pin out and the lever arm comes off of the tumbler.
Then you can pull the lock cylinder tumbler out the other side.