Replacing a door lock can be reduced to the following steps.
How do i change the sleeper door locks.
Buy a new lock that matches your existing lock s keyway rekey the new lock to your existing house key remove the old lock install the new latch install the new lock body check for proper latch operation to ensure your lock is secure.
Before you learn how to change door locks measure the space where you ll install the replacement.
So if you re considering changing your locks i encourage you to give it a shot.
Alternatively you can buy a re keying kit for the lock you already have.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.
And i strongly encourage you to consider using an electronic keypad like this one.
Demonstrated using the yale knob lockset.
Insert your new deadbolt.
Take your new deadbolt hardware and install it where the old one was.
Remove the rest of the deadbolt hardware from the door.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
Next put a new latch in and replace the door knob.
The most comprehensive method of ensuring security it involves removing the existing lock from the door including the handle if it s a handle lock combo and then installing.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Open your door so you can see the side of the lock the narrow part running along the inside of the door and locate and remove those screws as well.