Make sure that the strike plate lines up with the new lock.
How to replace door lock set.
Be sure to install your lock on the correct side of the door inside the bedroom or bathroom and make sure the knob is unlocked during installation.
If you re installing a lockset in an existing door take out the old lockset and measure the backset the distance from the door edge to the center of the lockset hole.
If it doesn t it s advisable to replace the strike plate.
Before you begin make sure you have a new door lock set and a screwdriver or drill.
Here are the steps to get you started.
Just be sure to purchase the same brand of lock as the.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.
Next put a new latch in and replace the door knob.
Replacing a door lock is a relatively easy diy project.
You ll pay from 40 to 300 to buy a new door lock depending on design materials and whether it s a simple key in knob lock or a high end lock and handle combo with.
How to re key a door lock change your locks yourself by removing the lock cylinder and changing the pins.
Alternatively you can buy a re keying kit for the lock you already have.
The measurement is usually 2 3 8 inches for interior doors and 2 3 4 inches for exterior doors.
Installing the new lock is an easy task that should only take a few minutes.
Take care to measure carefully as matching the size can be especially problematic in older homes.
To change the lock on a regular door knob first use a screwdriver to remove the door knob and the old latch.
Before you learn how to change door locks measure the space where you ll install the replacement.
Holding them roughly parallel to the floor insert the inside set sliding it onto blade of the outside part of the lockset.
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Insert the mounting screws and tighten them down.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
To change a door lock first unscrew the knobs.