It is never relaxing to perceive a sound in your car that you don’t know the starting point of. So, what if you discover a loud noise that is persistant on your Volkswagen Golf 4? It is very plausible that this is a minor trouble, but before beeing sure, it is better to execute some inspections. Whether that loud noise comes from the front of the automobile, from the rear, whether it shows up when you accelerate or when you are parked, our team has created this article to help you fix it. First, we will summarize the possible causes for the issue according to when loud noise appears on your Volkswagen Golf 4, and then we will give attention to the region of origin of the noise. In any case, if this noise persists, follow these suggestions to help you find the origin.
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When does my Volkswagen Golf 4 make a loud noise?
One way to discover a noise from your Volkswagen Golf 4 is to establish when it appears. Indeed, some concerns can be connected to parts that are only stressed under certain circumstances. It is this method that we will focus on in this first part.
Loud noise Volkswagen Golf 4 when accelerating
Loud noise on Volkswagen Golf 4 that shows up when you are accelerating can be symptomatic of several 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. In addition, it is also highly plausible that loud noise on your Volkswagen Golf 4 is linked to a wheel bearing, which is one of the most common causes of these types of manifestations. Another possibility is that your exhaust pipe may have holes or a collar may have become loose. Finally, it is also plausible 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 Volkswagen Golf 4 is stopped
If your Volkswagen Golf 4 makes a loud noise while not accelerating, engine on, the trouble may be connected 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 Volkswagen Golf 4 and how can I be sure of its origin?
Now that we have defined the cause of the sound, we will focus on the verification stage to ensure that this is the matter you are experiencing.
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The loud noise comes from the wheels of my Volkswagen Golf 4
As we have seen before, loud noise from the wheels of your Volkswagen Golf 4 may be connected 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 bear 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 replace 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 Golf 4 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.
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The loud noise comes from the engine of my Volkswagen Golf 4
In case you have identified loud noise as coming from the engine of your Volkswagen Golf 4, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be connected 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 Volkswagen Golf 4 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 check that the engine idle speed is not random. In case you confirm one of these two problems, take your automobile to your mechanic .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have found comes from the exhaust pipe of your Volkswagen Golf 4, 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 Golf 4, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To verify 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.
