It is never relaxing to find out a sound in your car that you don’t know the origin of. So, what if you identify a loud noise that continues on your Volkswagen Crafter? It is very possible that this is a minor trouble, but before beeing sure, it is better to operate some checks. Whether that loud noise comes from the front of the automobile, from the rear, whether it happens when you accelerate or when you are parked, our team has created this content to help you fix it. First, we will detail the possible causes for the issue according to when loud noise appears on your Volkswagen Crafter, and then we will give attention to the region of origin of the noise. In any case, if this noise continues, follow these recommendations to help you find the origin.
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When does my Volkswagen Crafter generate a loud noise?
One way to identify a noise from your Volkswagen Crafter is to establish when it occurs. Indeed, some problems can be connected to parts that are only stressed under certain types of conditions. It is this technique that we will focus on in this first part.
Loud noise Volkswagen Crafter when accelerating
Loud noise on Volkswagen Crafter that shows up when you are accelerating can be symptomatic of different failures. In fact, if you encounter a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will provoke a much higher noise than during normal operation. Furthermore, it is also highly possible that loud noise on your Volkswagen Crafter is connected to a wheel bearing, which is one of the most common causes of these types of symptoms. Another possibility is that your exhaust pipe may have holes or a collar may have become loose. Finally, it is also possible that the trouble may come from a deformed tire or an unbalanced wheel that will tend to vibrate as it gains speed.
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When my Volkswagen Crafter is stopped
If your Volkswagen Crafter makes a loud noise while not accelerating, engine on, the trouble may be in connection with poor air intake. An air intake hose that has come loose or has a hole in it may be the induce.
Where does loud noise come from on my Volkswagen Crafter and how can I be sure of its origin?
Now that we have found the origin of the noise, we will look into the verification step to make sure that this is the matter you are having.
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The loud noise comes from the wheels of my Volkswagen Crafter
As we have seen earlier in this article, loud noise from the wheels of your Volkswagen Crafter may be in connection with two main problems. If it is one of your tired bearings, it will tend to make a thumping noise that intensifies when it is under stress (spins faster and faster). So keep in mind to verify by driving “fast” (neutral gear on and window open to hear only the noise of the wheels) that the noise is located here, if this is the case replace it or them right away. If it is a deformed tire, don’t forget to visually check the entire tread area for linearity. If it is the balancing of the wheels of your Volkswagen Crafter that is the issue, you will tend to feel a vibration in the direction of the automobile as you go faster. In both cases, you will have to go to your mechanic to change the tires or accomplish a balancing.
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The loud noise comes from the engine of my Volkswagen Crafter
In case you have identified loud noise as coming from the engine of your Volkswagen Crafter, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be connected to a compression loss during the engine ramp-up phase, so you should experience a power loss during your acceleration. If the loud noise on your Volkswagen Crafter is related to air intake, the check will be done mainly visually, check all your air intake hoses by a visual control in your engine block to be sure that it is not damaged or disconnected which would generate an air intake, if it is just disconnected you can reconnect the air intake tubes yourself. Then verify that the engine idle speed is not random. In case you confirm one of these two trouble, take your automobile to your mechanic .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have recognized comes from the exhaust pipe of your Volkswagen Crafter, it is highly possible that you have rust if your automobile is old and has created holes in it over time and therefore generates a very high noise close to aircraft noise on your Volkswagen Crafter, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To ensure this, get help from someone who will stand under the automobile while you accelerate to find the exact area of starting point of this noise. If it is a hole, you can repair it with a putty provided for this purpose, or, if it is a collar, “reattach” it. If it is cut or the hole is too big, it is better to get closer to your mechanic.
