It is never pleasant to perceive a sound in your car that you don’t know the starting point of. So, what if you find a loud noise that remains on your Opel Mokka X? It is very possible that this is a minor trouble, but before beeing sure, it is better to carry out some verifications. 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 created this content to help you solve it. First, we will detail the possible explanations for the problem according to when loud noise shows up on your Opel Mokka X, and then we will give attention to the region of origin of the noise. In any case, if this noise remains, follow these suggestions to help you find the origin.
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When does my Opel Mokka X produce a loud noise?
One way to detect a noise from your Opel Mokka X is to define when it appears. Indeed, some complications can be linked to parts that are only stressed under certain types of conditions. It is this method that we will focus on in this first part.
Loud noise Opel Mokka X when accelerating
Loud noise on Opel Mokka X that occurs 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 provoke a much higher noise than during normal use. Moreover, it is also highly possible that loud noise on your Opel Mokka X is associated with 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 increases speed.
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When my Opel Mokka X is stopped
If your Opel Mokka X 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 reason.
Where does loud noise come from on my Opel Mokka X and how can I be sure of its origin?
Now that we have defined the source of the noise, we will focus on the verification step to be sure that this is the concern you are encountering.
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The loud noise comes from the wheels of my Opel Mokka X
As we have seen before, loud noise from the wheels of your Opel Mokka X may be in connection with 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 keep in mind to check 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, make sure to visually check the entire tread area for linearity. If it is the balancing of the wheels of your Opel Mokka X that is the matter, you will tend to feel a vibration in the direction of the car as you go faster. In both situations, you will have to go to your mechanic to replace the tires or execute a balancing.
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The loud noise comes from the engine of my Opel Mokka X
In case you have recognized loud noise as coming from the engine of your Opel Mokka X, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be linked 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 Opel Mokka X 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 cause an air intake, if it is just disconnected you can reconnect the air intake tubes yourself. Then check that the engine idle speed is not random. In case you confirm one of these two disorders, take your car 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 Opel Mokka X, 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 Opel Mokka X, 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 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.
