How To Replace A Lock On A Sliding Door In 2023

AD Systems (formerly Aurora Doors) FSB Sliding door lock with lever
AD Systems (formerly Aurora Doors) FSB Sliding door lock with lever from


If you are looking to replace the lock on your sliding door, you have come to the right place. In this article, we will provide you with easy-to-follow steps on how to replace a lock on a sliding door in 2023. Whether you want to upgrade your security or your lock is malfunctioning, this guide will help you get the job done.

Gather the Required Tools

Before you begin, make sure you have all the necessary tools. You will need a screwdriver, pliers, a new lockset, and a tape measure. These tools will come in handy during the replacement process.

Step-by-Step Guide

Step 1: Remove the Old Lock

The first step is to remove the old lock from your sliding door. Start by unscrewing the screws that hold the lockset in place. Use a screwdriver to carefully remove the screws. Once the screws are removed, gently pull out the lockset from the door.

Step 2: Measure the Door Thickness

Next, you need to measure the thickness of your sliding door. Use a tape measure to determine the exact thickness. This measurement is crucial as it will help you find a lockset that fits your door perfectly.

Step 3: Choose a New Lockset

Once you have measured the door thickness, it is time to choose a new lockset. Look for a lockset that is compatible with your sliding door’s thickness and design. You can find a wide range of locksets in hardware stores or online.

Step 4: Install the New Lockset

Now that you have the new lockset, it’s time to install it. Start by aligning the lockset with the holes on your sliding door. Make sure it fits snugly. Once aligned, insert the screws provided with the lockset and tighten them using a screwdriver. Make sure the lockset is securely attached to the door.

Step 5: Test the Lock

After installing the new lockset, it is important to test its functionality. Slide the door open and closed to ensure the lock works smoothly. Test the lock from both inside and outside to make sure it locks and unlocks without any issues.


Replacing a lock on a sliding door in 2023 is a simple process that you can easily do yourself. By following the steps outlined in this article, you can upgrade your security or fix a malfunctioning lock in no time. Remember to gather the necessary tools, remove the old lock, measure the door thickness, choose a new lockset, install it securely, and test its functionality. With these steps, you can successfully replace a lock on your sliding door and enjoy peace of mind.