how to fix car locks damaged by an attempted theft

Last Updated on February 11, 2025 by Alan Weir

As an expert car locksmith, I’ve seen my fair share of theft attempts and the aftermath that follows. It’s a harsh reality that many vehicle owners face, and I sympathise with anyone who finds their locks compromised or damaged. If you’ve recently experienced an attempted theft and your car locks are bearing the brunt, I’ve got you covered. Let’s chat about how to assess the damage and take the necessary steps to fix those stubborn locks and restore your peace of mind.

Understanding the Damage

First things first, it’s crucial to understand the extent of the damage. Take a moment to inspect the lock closely. Look for telltale signs such as scratches, dents, or even the lock being completely rendered useless. Are there any broken pieces that have fallen out? The age and type of your vehicle will play significant roles in determining the level of damage.

If it seems minor, you may be able to fix the issue on your own. If it’s more severe—like a lock that won’t turn or is jammed—you may need specialist tools or a bit of know-how. Whatever the case, assessing the issue is the starting point in determining your next steps.

Basic Tools You’ll Need

Before diving into repair, let’s gather some essential tools. You don’t need to rush off to the nearest hardware store; many of these items you may already have at home:

  1. Flat-head screwdriver: Handy for prying open panels or manipulating locks.
  2. Phillips-head screwdriver: Ideal for removing screws if necessary.
  3. Lubricant: WD-40 or graphite can work wonders to ease stiff locks.
  4. Pliers: Useful for gripping and twisting.
  5. Cleaning cloth: For wiping down any dirt or debris.
  6. Replacement parts: Depending on the damage, you may need to source new lock cylinders or covers.

DIY Repair Steps

Once you’ve gathered your tools, it’s time to get to work. Here’s a simple guide to handle your lock repair effectively:

1. Assess and Clean

Before proceeding with repairs, give the lock a thorough clean. Debris lodged in the lock is often a culprit for minor malfunctions. Use your cleaning cloth to wipe away any dirt. If a significant amount of dirt is present, consider using a small brush to dislodge any stubborn particles.

2. Lubricate the Lock

After cleaning, apply a bit of lubricant into the lock. Spray or apply a few drops, ensuring you don’t overdo it. The idea is to allow it to permeate the mechanism, but too much can actually attract more dirt over time. Wiggle the key gently in and out to help distribute the lubricant into all the necessary parts.

3. Examine the Key

Take a close look at your car key. If it’s bent or damaged, it might not fit properly in the lock, causing further frustration. If you have a spare key, try that one as well. This offers a double-check on whether the lock itself is faulty or if it’s just the key acting up.

4. Check the Lock Cylinder

If the lock is still jammed after lubricating and using a proper key, it may be time to check the lock cylinder. To do this, you may need to open the car door panel, depending on your model. Look for screws or clips that might need to be removed, then gently pull the panel away to expose the lock mechanism.

Use your flat-head screwdriver to carefully pry the lock cylinder out. Inspect for any broken or bent pieces. If the cylinder is intact but not functioning properly, sometimes a thorough clean can help. Wipe away any debris around it before attempting to reinstall.

5. Replace Parts if Necessary

In the unfortunate event that you identified broken parts, you’ll need replacements. Ordering a new lock cylinder is relatively straightforward; just make sure you’re getting the right part for your make and model. You may also find yourself needing to replace other interior parts of the door mechanism, depending on the extent of the damage.

6. Reassemble the Lock

Now, let’s put it all back together. If you removed the lock cylinder, slide the new one into place, ensuring it fits snugly. Reattach the door panel carefully, making sure any clips or screws are properly secured. Remember not to rush—taking your time here can save you future headaches.

7. Test the Lock

After reassembling, before you pat yourself on the back, it’s time for a big test. Operate the lock several times to ensure it functions properly. If it seems stiff, a little more lubrication may do the trick. However, if the lock still refuses to budge, it may be best to consult a professional.

When to Call a Professional

Sometimes, things can go awry, no matter how much we prepare or how skilled we think we are. If you’ve gone through the above steps and still find yourself in a jam, it may be best to seek professional help. A trained car locksmith will have the experience, equipment, and expertise to diagnose the issue accurately, often far more efficiently than a DIY fix.

It’s also worth noting that if your vehicle has a modern locking system or keyless entry, the repair may involve more intricate technology. These systems often require specialised tools and knowledge, so trusting a professional in such cases is wise to avoid further damaging the system.

Prevention Measures

Now that you’ve tackled the immediate damage, let’s think long-term. Preventing further theft attempts or damage is just as important:

  • Upgrade Your Locks: If your locks are older, consider upgrading to newer, more secure systems. There are many options that offer increased durability and resistance to tampering.

  • Install an Alarm System: An audible deterrent can often be enough to scare off would-be thieves.

  • Parking Awareness: Where you park matters. Aim for well-lit, busy areas. If you can, invest in a garage or secure parking space.

  • Stay Vigilant: Keep an eye on your surroundings. Awareness can go a long way in preventing theft attempts.

  • Insurance Checks: Review your car insurance policy. Make sure you’re covered for theft and understand your options if the worst happens.

Getting your car locks fixed after an attempted theft is never a pleasant task, but with the right approach, it can be manageable. Being proactive about prevention can help keep your vehicle safe and provide you with the peace of mind you deserve. Remember, don’t hesitate to reach out to an expert if things get too tricky along the way; there’s no shame in asking for help when it comes to your safety and your vehicle.

Alan Weir of Weir Locksmiths - contributor to RevLock.co.uk
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Alan Weir – Master Locksmith with 30+ Years of Experience

Alan Weir is the founder of Weir Locksmiths and a Master Locksmith with over three decades of experience. Renowned for his expertise in home and automotive security, Alan has built a reputation for providing reliable and innovative locksmith solutions across the UK.

A certified member of the Master Locksmiths Association (MLA), Alan specialises in residential, commercial and automotive locksmith services including car key replacement, transponder programming, and advanced security systems. His dedication to the field has earned him thousands of satisfied customers and glowing reviews on platforms like Checkatrade.

Now contributing to RevLock, Alan shares his expert knowledge to all of RevLocks visitors.