How to Change Your Girlfriend’s Front Door Lock and Deadbolt

By Ethan Hagan of One Project Closer

Nothing quite says “I care for you” as being (appropriately) concerned over your girlfriends well-being. If her ex won't return the spare key or she's just moved into a new place, seize the opportunity, and offer to change out her door locks so she feels safe and secure. Replacing a lock or deadbolt is an easy project, and she'll love you for it.

change door locks

Before you start, check out the current setup, and save yourself some trouble by purchasing a door knob or deadbolt of the same brand. It'll help ensure everything fits the way it should. Also, grab a Phillips and flat-head screwdriver. Removing the old hardware can seem like a puzzle, and sometimes you'll even need the key. Usually, there are hidden / inconspicuous screws or releases. Once you get the outer shell off, the screws should be obvious, and the lock will come apart quickly.

change door lock and deadbolt

Changing a Deadbolt

changing a deadbolt

Start by inserting the deadbolt into the door end. Most deadbolts will have a “this end up” arrow stamped on the side that will let you know how it should be oriented. Also, the deadbolt may have an adjustable backset (the distance between the edge of the door and the center of the hole), and depending on the manufacturer, you'll need to rotate the deadbolt, move a pin or loosen a screw. Backset lengths are typically 2-3/8″ or 2-3/4″.

Once you have the deadbolt screwed in, slide the outer cylinder in place. You can see that metal sleeve is there too.

changing the door locks

The inner cylinder screws on with the silver metal plate underneath. Follow this up with the faceplate.

inner cylinder screws

Some manufacturers (like Kwikset) make you tighten this uber-tiny set screw to hold the thumb-turn in place. Lastly, screw the strike plate onto the door jamb (door frame).

thumbturn changing door locks

Installing a Door Knob

installing a door knob

Installing a door knob isn't so different from a deadbolt. Start with the latch, and check that the backset is right. Also, make sure the face of the latch will hit the strike plate (and not the backside of the latch).

outside knob door knob change

Put the outside knob on, feeding it through the latch.

Now, slide the inside knob on and tighten down the two screws. Finish it off by installing the new strike plate.

tighted new door lock screws

new door lock installed

 

That's it! This is a 15 minute project that'll be sure to win you some points with your significant other.

Ethan Hagan is the primary editor at One Project Closer. He spends most of his days shadowing real contractors on actual job sites and most of his nights writing about the experience. To see what I mean, check out their latest “Pro-Follows” or finished, expert guides like this How to Build A Deck. If learning and interacting with pro contractors sounds like something you'd enjoy, sign up for OPC email updates.

11 Comments

  • […] Excerpt from: How to Change Your Girlfriend's Front Door Lock and Deadbolt … […]

  • Reply March 29, 2012

    Jessie

    Also ideal for changing your own locks when you break up!

  • Reply March 29, 2012

    Kooper

    If you ask at the hardware store (Home Depot will be able to do this for you) you can have the locks “keyed alike” that way you will only need one key to open both locks.

  • Reply November 18, 2013

    CarlN

    You are having difficulty on the process of fixing the door lock, ask assistance from locksmith center.

    Avondale Estates Locksmith

  • […] It is very important to change your locks when you moving into your new place. Any previous owner can still have a key. How To Change A Door Lock Yourself […]

  • Reply April 25, 2014

    Marielle Smith

    great article..actually my door in my bedroom needs to be replaced, glad that i have seen your blog..i can do it on my own already

    Granite Countertops

  • Changing door locks is a good idea after a breakup! 🙂

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