Troubleshooting Guide: Milwaukee M18 Nail Gun Not Firing

Milwaukee m18 nail gun not firing? Check the battery and trigger mechanism.

The milwaukee m18 nail gun is a valuable tool for construction work, and it can be frustrating when it stops firing. Two common reasons for this issue are the battery and trigger mechanism. Sometimes, the battery may not be charged or could be incompatible with the device.

To resolve this, use a working battery and ensure that it’s correctly inserted. If the battery is fine, check the trigger mechanism. Dirt or dust buildup can interfere with the trigger’s movement, causing it to fail. Clean the trigger area thoroughly with a brush or compressed air. If neither of these solutions works, check the nail gun’s manual or seek professional assistance.

Causes Of milwaukee m18 nail gun not firing

milwaukee m18 nail gun

Milwaukee m18 nail gun not firing? Frustrating, right? The last thing you need when working on a project is a malfunctioning tool. But don’t worry, we’ve got your back. In this section, we’ll explore the potential causes of the problem.


In most cases, the battery is the first thing you should check if your milwaukee m18 nail gun fails. Here are a few things to look out for:

  • Is the battery properly charged? If you haven’t charged your battery or charged it incorrectly, it may cause the nail gun to stop firing.
  • Check the battery contacts and make sure they are clean and free from corrosion. Dirty or corroded contacts can lead to power loss.
  • Is the battery compatible with your nail gun? Using an incompatible battery can damage your tool or affect its performance.

You may like this: Milwaukee m18 Battery Charger Problems


Overheating can cause your nail gun to stop firing as it serves as a built-in safety feature to prevent damage to the tool. Check for the following:

  • What’s the temperature like in your work environment? Hot temperatures can lead to overheating.
  • Heavy use: If you’ve been using your tool at high-speed settings for long periods, it may overheat. Allow the tool to cool for a while before using it again.
  • Dirty air vents: Dust and debris near the vents can reduce airflow and cause overheating. Clean the vents with compressed air to solve the problem.

Nail Jam

A nail jam can be a common cause of nail gun failure. A jammed nail can prevent the firing mechanism from working correctly. Here’s what you should do:

  • Remove the battery from the nail gun and release any nails in the magazine.
  • Use a screwdriver to remove any stuck nails or debris from the nail gun’s nosepiece.
  • Reinsert the battery and test the nail gun to see if it’s working correctly.

Damaged Firing Pin

The firing pin is an essential component that drives the nail into the material. Here’s what to look out for:

  • Inspect the firing pin to see if it’s damaged or bent. A damaged firing pin may not make efficient contact with the battery, preventing the tool from firing.
  • Check the nail gun manual for instructions on removing and examining the firing pin.

Hopefully, this article has helped you identify the potential causes of your milwaukee m18 nail gun not firing. Remember to check and maintain your tool regularly to prevent any future issues.

Step By Step Guide To Troubleshooting

Milwaukee framing nailer problems

As a DIY enthusiast or professional woodworker, the milwaukee m18 nail gun is a must-have in your toolbox. However, it can be quite frustrating when it fails to fire. The good news is that you don’t have to take it straight to a repair store.

Instead, follow our step-by-step troubleshooting guide below to diagnose and fix the issue.

  • Check the battery: The first thing to check is the battery charge level. Make sure the battery is fully charged. If the battery does not have any charge, charge it fully before using the nail gun.
  • Check the trigger assembly: Remove the battery, nails, and any other attached items from the nail gun. Then press the trigger and check if it moves smoothly. If it feels stuck or hard to press, the trigger assembly may need to be replaced or repaired.
  • Check the nail magazine: Check whether the nails are aligned correctly in the magazine. Ensure there are no obstructions in the magazine, and the nails are not bending or jamming. Remove the nails and examine the magazine internals to check for obstructions.
  • Check the firing mechanism: Remove the battery and then the firing mechanism to look for any damage, such as worn-out o-rings or damage to the firing pin. Clean the mechanism and lubricate it with oil before reassembling it.
  • Check the air passage: If the nail gun removes the battery and nails, release the jam lever to open the nail chamber. Check for any nails that have lodged in the air passage and clear them out using a pick or thin tool.

Essential Things To Check And Test In Each Step

  • Always make sure the nail gun is unplugged or the battery removed before starting any troubleshooting.
  • Check that all parts are clean and free of debris before reassembling.
  • Use only recommended clips, nails, and batteries to avoid malfunctions.
  • There could be other reasons why the gun is not firing. If the above tips don’t work, consult the milwaukee m18 manual for additional troubleshooting methods.

If you still can’t get your milwaukee m18 nail gun working properly, take it to an authorized milwaukee repair center.

Remember, to avoid injury and damage to your device; always follow the recommended safety procedures while using power tools.

Fixing The Problem

The milwaukee m18 nail gun is a popular tool for professionals and DIY enthusiasts alike, but sometimes it fails to fire. If you face a similar issue, don’t worry, you’re not alone. This post will discuss effective techniques for repairing and fixing the nail gun so that it can fire again.

Let’s dive in!

Effective Techniques For Repairing And Fixing The Nail Gun So That It Can Fire Again

Here are some useful techniques you can try to fix your milwaukee m18 nail gun:

  • Check the power source: The first step is to ensure that your nail gun has a sufficient power supply. Make sure that the battery is fully charged or the power cord is properly connected to the outlet.
  • Clean the nail gun: Over time, dust, debris, and sawdust can clog the nail gun’s firing mechanism, causing it to misfire. So, thoroughly clean your tool with a dry cloth and compressed air.
  • Replace faulty parts: If you have checked your power source and cleaned the nail gun but still it doesn’t fire, the problem could be caused by a damaged part. Check each part, such as the driver blade, piston, and fuel cell, for wear and tear. Replace any faulty part that you find.

Step By Step Guide For Carrying Out Repairs

Here is a step-by-step guide you can follow to fix your milwaukee m18 nail gun:

  • Disconnect the nail gun’s power source.
  • Remove the fuel cells from the nail gun.
  • Take off the driver unit from the tool.
  • Check the o-rings and seals of the driver unit. Replace any that are damaged.
  • Clean the parts of the nail gun with a dry cloth and compressed air, focusing on the firing mechanism.
  • Reassemble the nail gun, making sure that all parts are correctly in place.
  • Reconnect the power source and test the tool.

By following these steps, you can fix your milwaukee m18 nail gun and have it firing again.

If your milwaukee m18 nail gun is not firing, don’t panic. First, check the power source and clean the tool. If those steps don’t solve the issue, examine each part of your tool for wear and tear and replace it as necessary.

By following these techniques and steps, you can fix your nail gun and get back to work.

Preventative Measures

If you’re a carpenter, you know the importance of a functional nail gun. Downtime with a faulty nail gun can slow down progress, causing frustration and lost productivity. One of the common problems carpenters face is the milwaukee m18 nail gun not firing.

Here is what you need to know about preventative measures.

Tips For Maintaining Your Milwaukee M18 Nail Gun To Prevent Firing Issues

The good news is that with proper maintenance, you can avoid most firing issues. Here are some tips on maintaining your nail gun:

  • Regularly clean your nail gun to keep it free of debris and other contaminants. You can use compressed air or a brush to clean it.
  • Lubricate the nail gun’s moving parts with oil or grease. This will prevent rust and friction, which can affect the nail gun’s functionality.
  • Check the nail gun’s magazine to ensure it’s not overloaded or underloaded. Overloading the magazine can cause jams and misfires, while underloading can cause the gun to misfire.

Best Practices To Follow To Avoid Future Issues

Even with regular maintenance and cleaning, there are some best practices to follow to avoid future issues with your nail gun. These include:

  • Using the appropriate type and size of nails for your nail gun. Consult the manual for the recommended types and sizes.
  • Choosing the correct air pressure for your nail gun. This can vary depending on the nail size and type, so again, consult the manual.
  • Avoiding prolonged use without breaks. Overheating can cause the nail gun to malfunction.
  • Reporting any issues immediately. If you notice any issues with your nail gun, report them to your supervisor or the manufacturer immediately.

By following these preventative measures and best practices, you can keep your milwaukee m18 nail gun firing reliably and efficiently. Remember to always consult the manual and report any issues promptly. With proper care, your nail gun will serve you for many years to come, making your carpentry work easier and faster.

Milwaukee M18 framing nailer maintenance

The Symptoms of the milwaukee m18 nail gun not firing

If you’re having trouble with your milwaukee m18 nail gun not firing, don’t worry, you’re not alone. This common issue can be caused by a variety of factors, and understanding these symptoms can help you diagnose and fix the problem quickly.

In this guide, we will discuss the common symptoms that you may encounter when your nail gun fails to fire and how to identify and diagnose the problem.

Overview Of Common Symptoms When The Nail Gun Fails To Fire:

When a milwaukee m18 nail gun fails to fire, it can be frustrating, time-consuming, and a waste of nails. Here are the most common symptoms that you may experience:

  • No firing sounds when the trigger is pulled
  • Nails are not being driven into the material
  • Nails being driven only partially into the material
  • Nails jamming in the nail gun

Also read this blog: Dewalt Nail Gun Not Firing

How To Identify And Diagnose The Problem By Observing The Symptoms:

The symptoms listed above can be caused by several factors. Here are some of the possible reasons why your milwaukee m18 nail gun may not be firing, along with how to identify and diagnose the issue:

  • Low battery: If your nail gun is not firing, the battery may be low or dead. You can check the battery by removing it and testing it with a multimeter. If the battery is low, recharge it. If the battery is dead, you may need to replace it.
  • Jammed nails: If the nail gun tries to fire but the nail doesn’t come out, it could be jammed. Check the nose of the gun for any jammed or bent nails. To clear the jam, remove the battery and use a screwdriver to release the jammed nail.
  • Worn parts: Over time, parts of the gun can wear down, causing the gun to malfunction. Check the plunger, piston, and driver blade for wear and tear. Replace any parts that are worn or broken.
  • Dirt or debris: Dirt, debris, and other contaminants can build up inside the nail gun, causing it to malfunction. Clean the gun thoroughly, including the nosepiece, magazine, and trigger mechanism.
  • The wrong type of nails: Make sure you are using the right size and type of nails for your nail gun. Using the wrong size or type of nails can cause the gun to malfunction.

Understanding the symptoms of a milwaukee m18 nail gun not firing can help you diagnose and fix the problem quickly. By following the steps outlined above, you’ll be able to identify the issue and get your nail gun firing again in no time.

Frequently Asked Questions(FAQs):

Why Is My Milwaukee M18 Nail Gun Not Firing?

There could be several reasons why your nail gun is not firing, from a worn-out driver blade to an empty fuel cell.

How Do I Troubleshoot My Milwaukee M18 Nail Gun?

Try checking the battery and fuel cell, inspecting the driver blade, and making sure the gun is properly loaded.

How Do I Know If My Milwaukee M18 Nail Gun Needs Repairing?

If you’ve gone through the troubleshooting steps and your nail gun still isn’t firing, it may be time to take it to a professional for repair.

Can I Repair My Milwaukee M18 Nail Gun Myself?

Some basic troubleshooting and repairs can be done at home, but for more complicated issues, it’s best to have a professional handle them.

How Do I Prevent My Milwaukee M18 Nail Gun From Malfunctioning?

Keep your nail gun clean and well-maintained, use it properly, and store it in a dry place to avoid corrosion.


After examining the possible causes of a milwaukee m18 nail gun not firing, it’s clear that this issue can be frustrating and time-consuming to deal with. Nonetheless, with the troubleshooting tips provided in this blog post, you should be able to fix the problem efficiently.

Ensure to check factors such as battery level, cleanliness, and the connector area before considering a more severe defect. Remember to maintain and clean your nail gun regularly for optimal performance, reducing the likelihood of this issue arising again in the future.

Troubleshooting a milwaukee m18 nail gun can prove to be challenging but following the steps provided in this post will make the process more manageable. Put these tips into action today and enjoy an efficiently functioning nail gun for your upcoming projects.

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