It is never enjoyable to experience a sound in your automobile that you don’t know the origin of. So, what if you detect a loud noise that persists on your Citroen C5? It is extremely plausible that this is a minor issue, but before beeing sure, it is better to accomplish some inspections. 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 made this content to help you solve it. First, we will detail the possible explanations for the issue according to when loud noise shows up on your Citroen C5, and then we will look into the region of origin of the noise. In any case, if this noise lasts, follow these recommendations to help you find the origin.
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When does my Citroen C5 generate a loud noise?
One way to find a noise from your Citroen C5 is to determine when it shows up. Indeed, some problems can be linked to components that are only stressed under certain conditions. It is this technique that we will focus on in this first part.
Loud noise Citroen C5 when accelerating
Loud noise on Citroen C5 that appears when you are accelerating can be symptomatic of multiple failures. Indeed, if you encounter a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will cause a much higher noise than during normal use. Additionally, it is also highly plausible that loud noise on your Citroen C5 is linked to a wheel bearing, which is one of the most common origins 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 plausible that the issue 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 C5 is stopped
If your Citroen C5 makes a loud noise while not accelerating, engine on, the issue may be linked to 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 C5 and how can I be sure of its origin?
Now that we have uncovered the source of the noise, we will concentrate on the verification step to ensure that this is the matter you are encountering.
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The loud noise comes from the wheels of my Citroen C5
As we have seen before, loud noise from the wheels of your Citroen C5 may be linked to two main trouble. 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 change it or them quickly. 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 C5 that is the problem, you will tend to feel a vibration in the direction of the vehicle as you go faster. In both cases, you will have to go to your auto mechanic to change the tires or perform a balancing.
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The loud noise comes from the engine of my Citroen C5
In case you have discovered loud noise as coming from the engine of your Citroen C5, 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 experience a power loss during your acceleration. If the loud noise on your Citroen C5 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 disorders, take your vehicle to your mechanic .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have perceived comes from the exhaust pipe of your Citroen C5, 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 Citroen C5, 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 automobile 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.
