It is never pleasant to hear a sound in your vehicle that you don’t know the origin of. So, what if you identify a loud noise that is persistant on your Volkswagen Touran? It is very plausible that this is a minor issue, but before beeing sure, it is better to operate some investigations. Whether that loud noise comes from the front of the automobile, from the rear, whether it appears when you accelerate or when you are parked, our team has created this article to help you fix it. First, we will describe the possible reasons for the issue according to when loud noise shows up on your Volkswagen Touran, and then we will look into the region of origin of the noise. In any case, if this noise continues, follow these advice to help you find the origin.
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When does my Volkswagen Touran produce a loud noise?
One way to find a noise from your Volkswagen Touran is to establish when it shows up. Indeed, some trouble can be related to components that are only stressed under certain circumstances. It is this process that we will focus on in this first part.
Loud noise Volkswagen Touran when accelerating
Loud noise on Volkswagen Touran that shows up when you are accelerating can be symptomatic of several failures. In fact, if you experience a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will create a much higher noise than during normal process. Furthermore, it is also highly plausible that loud noise on your Volkswagen Touran 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 plausible that the issue may come from a deformed tire or an unbalanced wheel that will tend to vibrate as it increases speed.
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When my Volkswagen Touran is stopped
If your Volkswagen Touran makes a loud noise while not accelerating, engine on, the issue 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 cause.
Where does loud noise come from on my Volkswagen Touran and how can I be sure of its origin?
Now that we have determined the cause of the sound, we will concentrate on the verification step to be sure that this is the issues you are going through.
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The loud noise comes from the wheels of my Volkswagen Touran
As we have seen earlier in this article, loud noise from the wheels of your Volkswagen Touran 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 remember to examine 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 change it or them right away. If it is a deformed tire, remember to visually check the entire tread area for linearity. If it is the balancing of the wheels of your Volkswagen Touran that is the problem, you will tend to feel a vibration in the direction of the car as you go faster. In both circumstances, you will have to go to your mechanic to change the tires or do a balancing.
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The loud noise comes from the engine of my Volkswagen Touran
In case you have identified loud noise as coming from the engine of your Volkswagen Touran, 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 encounter a power loss during your acceleration. If the loud noise on your Volkswagen Touran is related to air intake, the control 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 induce an air intake, if it is just disconnected you can reconnect the air intake tubes yourself. Then examine that the engine idle speed is not random. In case you confirm one of these two problems, take your car to your garage .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have detected comes from the exhaust pipe of your Volkswagen Touran, it is highly plausible 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 Touran, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To confirm 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.
