It is never relaxing to notice a sound in your automobile that you don’t know the cause of. So, what if you discover a loud noise that remains on your Citroen C8? It is very possible that this is a minor problem, but before beeing sure, it is better to execute some investigations. Whether that loud noise comes from the front of the car, from the rear, whether it shows up when you accelerate or when you are parked, our team has written this article to help you solve it. First, we will point out the possible causes for the trouble according to when loud noise appears on your Citroen C8, and then we will give attention to the region of origin of the noise. In any case, if this noise persists, follow these instructions to help you find the source.loud-noise-citroen-c8

When does my Citroen C8 generate a loud noise?

One way to discover a noise from your Citroen C8 is to determine when it appears. Indeed, some problems can be linked to components that are only stressed under certain occasions. It is this approach that we will focus on in this first part.

Loud noise Citroen C8 when accelerating

Loud noise on Citroen C8 that occurs when you are accelerating can be symptomatic of multiple 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 induce a much higher noise than during normal operation. Moreover, it is also highly possible that loud noise on your Citroen C8 is associated with a wheel bearing, which is one of the most common causes of these types of signs of illness. Another possibility is that your exhaust pipe may have holes or a collar may have become loose. Finally, it is also possible that the problem 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 Citroen C8 is stopped

If your Citroen C8 makes a loud noise while not accelerating, engine on, the problem 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 Citroen C8 and how can I be sure of its origin?

Now that we have located the cause of the noise, we will concentrate on the verification stage to make sure that this is the issues you are experiencing.

  • The loud noise comes from the wheels of my Citroen C8

    As we have seen before, loud noise from the wheels of your Citroen C8 may be in connection with two main disorders. 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 consider 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 swap 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 Citroen C8 that is the problem, you will tend to feel a vibration in the direction of the vehicle as you go faster. In both circumstances, you will have to go to your mechanic to change the tires or execute a balancing.

  • The loud noise comes from the engine of my Citroen C8

    In case you have discovered loud noise as coming from the engine of your Citroen C8, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be associated with 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 Citroen C8 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 generate 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 trouble, take your vehicle to your garage .

  • Loud noise comes from the exhaust pipe of the vehicle

    If the noise you have detected comes from the exhaust pipe of your Citroen C8, it is highly possible that you have rust if your car is old and has created holes in it over time and therefore generates a very high noise close to aircraft noise on your Citroen C8, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To validate this, get help from someone who will stand under the car while you accelerate to find the exact area of origin 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.