8 Most Common DeWalt Grease Gun Problems Troubleshooting

most common dewalt grease gun problems
most common dewalt grease gun problems

A grease gun is a common tool that you will find being used on plenty of different sites. The job of a grease gun is to help lubricate at a specific point, which comes out of a nozzle.

There are various kinds of grease guns available today, with DeWalt being one of the best options to provide said equipment.

This brand has dominated the market for years and will continue to do so for decades to come. The performance of the DeWalt system is just superior to any other option that you will find on the market.

Moreover, the prices are pretty reasonable, and you will not be going over the budget. This is especially true when you’re sticking with the DeWalt Grease gun.

So, be sure to only rely on options like DeWalt or Milwaukee, and don’t go with any of the cheaper brands. Otherwise, you will be struggling with the warranty claim and other problems down the road. 

Most Common DeWalt Grease Gun Problems

While there’s no denying DeWalt is an amazing brand to offer great tools, we have been seeing certain users complain about their experience with their products.

Likewise, most users have mentioned that their DeWalt grease gun is having problems while operating.

This is why today, we will be taking a closer look at all the different possible problems that you can possibly run into while trying to use the grease gun.

We will also be listing the different ways you can fix them. So, without wasting any time further, let’s get started!

  1. Gun Won’t Prime

The very first issue that you are bound to run into while trying to use the grease gun is having problems while trying to prime the gun.

Most users have reported that their grease gun did not prime at all. Luckily, this is a pretty common issue and should be fixed quite easily.

We recommend that you always use the whole tube of the grease gun right until it is completely empty. As soon as there isn’t any content left inside, put the new tube in. 

Most grease guns should automatically prime themselves. However, if you are having issues priming the gun, then pull off the hose using the bleeder valve. This should help get the grease gun to start getting primed.

Alternatively, you can also try pushing the plunger handle inside until you feel the handle getting hard, after which you will have to push on it all while pulling the trigger.

  1. Pressure Issues

The situation with the rod not going forward or backward can be linked to the pressure issues within the gun. If you don’t store the gun properly, the pressure or vacuum can build up inside the system, and you will not be able to budge the rod.


Without any rod movement, no grease will be coming out of the gun, and you will remain stuck in these errors.

However, when it comes to fixing these issues, you will have to first release the pressure. The upside here is that it is pretty easy to release the vacuum or the pressure. 

All that you need to do is to unscrew the purge valve, and that will be enough to get rid of the pressure.

After about a few seconds, you can screw the valve back in and then try accessing the rod. This time around, you will not have to deal with more errors.

  1. Grease Clogging up Relief Valve


The grease can also clog up the relief valve sometimes. This issue will almost always be linked to the zerk fitting.

If you have not cleaned the tool in a few weeks, then you’re dealing with a clogged fitting as well. There are no quick methods that can help you here, and you will have to unclog and clean it. 

To do that, first, remove the couple from the unit and then proceed with cleaning the fitting along the grease path.

From there, it is not that hard to adjust to the problem. It all comes down to keeping the unit clean, and you will be able to avoid this error by being mindful of maintenance.

  1. Motor Not Running 

hardware check

The motor issues can be caused by hardware damage to the unit or battery issues. So, you will have to figure out what exactly is wrong with the system.

If you find there to be hardware damage to the unit, then the only reasonable thing to do is to get a replacement.

Similarly, if you find the batty to be at fault here, then you need to charge the unit for a couple more hours. If the purchase was recent, charging the system will fix half of your problems.

However, if you’re not too sure about the battery life, then you will have to install a new one. 

The good thing here is that getting the new battery won’t be that heavy on your budget, and you will be able to stick to a reasonable price point. So, be sure to keep that in mind as you try to add new battery systems to your unit.

  1. Leaking Issues

Sometimes, the grease will also start leaking out from the back of the tube. This problem is pretty minor and you just have to check the rubber seal on the back of the unit.

This seal will be inverted, and you can remove it before putting it back in the correct manner.

However, if you find the seal to be damaged, you will have to get a new one. There is no makeshift solution of adding glue to fix the rubber seal. That will only create more errors down the road as you try to fix the machine.

  1. Faulty Spring

Another common issue that you may come across while using the grease gun is that you will notice the gun has problems with the spring.


What happens is that the spring won’t provide enough force that is required in order to force the grease directly into the feed chamber and through the coupler.

Luckily, this issue can also be fixed by simply opting for a newer spring. Once you purchase a new spring, you can then proceed to replace the older spring with the one that you just bought.

In case you don’t have an idea about the spring, you can visit any nearby local hardware shop and ask them about it.

  1. Grease Not Coming Out of Nozzle


Grease won’t come out of the gun even when it is fully working? This is a pretty common problem that many users seem to be experiencing. What they don’t know is that these types of issues are mostly caused because of a damaged coupler.

In case you end up damaging your coupler, your gun won’t give out any grease from the gun. In these cases, only a replacement might be able to fix the issue.

  1. Gun Not Working at All

grease gun

One of the last yet most annoying issues that you can possibly experience from this particular grease gun is not having it work at all.

While there can be plenty of reasons why the gun isn’t functioning, we suggest checking the power source first.

After you have confirmed that the gun is getting the required power, then it is possible that there are some other technical issues with the gun.

The Bottom Line:   


Experiencing problems with the DeWalt grease gun? While it is most certainly frustrating to end up getting issues with your tool right when you are in the middle of something, most of these issues can be troubleshooting.

Similarly, the article above discusses all the different common issues that you can end up running into as well as how you can fix them for good.

Nine times out of ten, you will be able to avoid all of these issues by just being a bit more mindful of basic maintenance. 

Developing decent storage for your tools and then adjusting their usage around the workshop will help you get years more out of your devices.

So, be sure to spare some time out of your weekly routine and clean up the tools while also greasing them up.

However, if you find that the grease gun was damaged out of the box, then you need to contact the dealer regarding a warranty claim.

There is no point in wasting your time with the unit when you can grab a new one from the dealer. Hopefully, he will point you in the right direction.

2 thoughts on “8 Most Common DeWalt Grease Gun Problems Troubleshooting”

  1. my battery dewalt greasegun dosent seem to bill as much pressure as my handheld gun before it comes out the relief value


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