Loud noise on my Citroen C-crosser, what should I do ?

It is never pleasant to perceive a noise in your vehicle that you don’t know the cause of. So, what if you find a loud noise that remains on your Citroen C-crosser? It is very possible that this is a minor issue, but before beeing sure, it is better to do some investigations. Whether that loud noise comes from the front of the vehicle, from the rear, whether it shows up when you accelerate or when you are parked, our team has written this content to help you solve it. First, we will point out the possible causes for the problem according to when loud noise appears on your Citroen C-crosser, and then we will concentrate on the region of origin of the noise. In any case, if this noise continues, follow these instructions to help you find the origin.

When does my Citroen C-crosser make a loud noise?

One way to discern a noise from your Citroen C-crosser is to define when it occurs. Indeed, some trouble can be related to components that are only stressed under certain conditions. It is this approach that we will focus on in this first part.

Loud noise Citroen C-crosser when accelerating

Loud noise on Citroen C-crosser that shows up when you are accelerating can be symptomatic of different 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 generate a much higher noise than during normal process. Furthermore, it is also highly possible that loud noise on your Citroen C-crosser is connected to a wheel bearing, which is one of the most common causes of these types of symptoms. Another alternative is that your exhaust pipe may have holes or a collar may have become loose. Finally, it is also possible 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 Citroen C-crosser is stopped

If your Citroen C-crosser 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 reason.

Where does loud noise come from on my Citroen C-crosser and how can I be sure of its origin?

Now that we have uncovered the cause of the noise, we will focus on the verification step to be sure that this is the concern you are going through.

The loud noise comes from the wheels of my Citroen C-crosser

As we have seen previously, loud noise from the wheels of your Citroen C-crosser may be in connection with two main complications. 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 bear 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 swap 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 Citroen C-crosser that is the issue, you will tend to feel a vibration in the direction of the automobile as you go faster. In both situations, you will have to go to your technician to replace the tires or execute a balancing.

The loud noise comes from the engine of my Citroen C-crosser

In case you have identified loud noise as coming from the engine of your Citroen C-crosser, 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 C-crosser 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 cause 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 garage .

Loud noise comes from the exhaust pipe of the vehicle

If the noise you have perceived comes from the exhaust pipe of your Citroen C-crosser, it is highly possible that you have rust if your vehicle is old and has created holes in it over time and therefore generates a very high noise close to aircraft noise on your Citroen C-crosser, 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 vehicle while you accelerate to find the exact area of source 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.