This guide will cover how to change a door lock with a deadbolt, but most of the steps apply to interior lock replacement as well. Step 1: Measure for the replacement lock.

How To Replace Door Locks And Cylinders. Mustangs Unlimited Has Everything You Need To Get Your Mustang's Locks Back To Proper Working Order. HOT ROD Staff Writer Nov 01, 2008. See All 31 Photos.

Have you just moved, or lost your keys? Swapping out a door lock—and making sure that strangers don't have access to your home—is a task that you can easily do yourself.