What Are Common RAM Promaster Diesel Problems?

Perhaps you are looking to find out what the typical RAM Promaster diesel problems are. Basically, Promaster is a dependable engine that can be used not just for personal, business, but a combination of both.

These models basically last a long time. However, there are some issues that may arise over time.

Today, we will look into these common issues with the RAM Promaster diesel and what you need to consider before buying. 

ram promaster diesel problems

RAM Promaster Diesel Problems

The RAM Promaster is without a doubt an impressive and dependable vehicle that can handle heavy loads such as your cargo and several passengers.

With a massive cargo space, there is no issue that comes with space since it can accommodate more than the average van.

However, there are some concerns to consider amidst all of these positive features.

For instance, there are some people who complain about squealing noises, as well as the brakes making some noise. This is fairly typical to the Promaster 2014 model year, since it appears to not be on par with newer models.

In fact, the model year that gets the most number of complaints is the 2014. After all, it is the oldest Promaster released by RAM. 

It is also worth noting that many consumers notice this problem at the onset. There are those who have experienced this even at 436 miles. The noises begin almost immediately while others claim to observe it only after reaching 500 miles.

When this issue happens, it is always the front brakes that tend to screech initially. Then, the back ones make the sound.

There are a few reasons why this may happen. For instance, it could mean that the rotors and pads on all the wheels would need to be replaced. This is important even if the sound is not yet very much apparent. 

Moreover, there is a need to replace and adjust the calipers. Although the issue is usually the rotors and pads, it is important to get your calipers checked and changed, too. There are some situations when this component is the root of the problem. 

Another concern with the RAM Promaster is the malfunctioning of the BSM or Blind Spot Monitoring System. This component tends to restart or power off while using the vehicle, and this can be quite frustrating to deal with.

The shut downs may happen almost without any warning or clear reason. Yet, it does happen intermittently and can go on at any speed and any time. 

When this happens, you may need to update your software once there are notifications that updates are ready. You should also try to make it a habit to monitor traffic around you manually. It is best to keep tabs on where the blind spots are located in your vehicle.

Next up, we have parking brake failures. Now, this is a concerning issue since the parking brake may either become unable to unlock or lock. It may also fail to engage, which is a very serious issue that can be a cause of an accident.

Furthermore, because of the fact that the Promaster comes with an automated manual transmission system, you will not be able to leave your vehicle in gear as you park it on a sloping hill. This is why some folks had to chock the wheels manually just so it will not roll down.

In this case, the only way to address it is by replacing your braking system. There are several mechanics and dealerships that charge about a thousand dollars to get this issue fixed. But it can also get more expensive than that.

Now, you may also want to keep an eye out for your headlight bulb blowing out. This happens to some RAM Promaster diesel vehicles, which can be due to the fuse or wiring being damaged. The headlight bulbs located on the driver’s side tend to burn out quite frequently. 

This is why you may need to replace these bulbs as often as every 5000 miles or every 6 months. It is quite an unnecessary expense because of how often you need to do it, and unfortunately, even upgrading to better quality bulbs will not solve the problem. 

Other people found it helpful to use aftermarket headlights for their stock ones. But some do not experience any success or stark difference in doing this. 

What you can do about it is to check your wiring set up or the fuse. It may require wire replacement or changing the fuse. After all, frequently changing your light bulbs is not always too easy since your headlight internals cannot be accessed so easily. This is why this concern is an annoyance to most people who encounter it.

You may also want to check the electrical harness on your battery. It may have gotten loose, which caused the battery terminals to slip off. Also, the bulbs may have blown at the same time, so a replacement may fix the problem. 

But if your high or low beams are not working, this could be due to bulbs that burned out, a faulty relay, or a bad switch. So, be sure that your headlights are adjusted and aligned properly. In case they are properly balanced but still not working, you will have to do a switch replacement. If the switch does not fix it, then you need to replace your relay.

But if the headlights work, and yet they are a bit dim, it could be an issue with foggy lenses, charging system failure, or decaying headlight bulbs. Simply clean your lenses or replace your charging system.

Read More: How Often Do You Change Oil In A Diesel Truck? Key Facts You Should Know

Bottom Line

Overall, the Promaster is a good vehicle because of the huge amount of space it offers. It is also accessible for various purposes since you can swing open the rear doors and slide the side doors for more loading space. 

On the other hand, there are some issues that may come along with the BSM, headlights, and parking brakes. So, these RAM Promaster diesel problems are worth factoring in before you make a purchase to get the best deal for your money.

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