It is never relaxing to perceive a sound in your automobile that you don’t know the source of. So, what if you discover a loud noise that remains on your Mazda 5? It is extremely plausible that this is a minor issue, but before beeing sure, it is better to carry out some investigations. Whether that loud noise comes from the front of the car, from the rear, whether it happens when you accelerate or when you are parked, our team has written this article to help you solve it. First, we will detail the possible explanations for the trouble according to when loud noise shows up on your Mazda 5, and then we will look into the region of origin of the noise. In any case, if this noise lasts, follow these advice to help you find the origin.
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When does my Mazda 5 produce a loud noise?
One way to detect a noise from your Mazda 5 is to determine when it shows up. Indeed, some trouble 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 Mazda 5 when accelerating
Loud noise on Mazda 5 that appears when you are accelerating can be symptomatic of multiple failures. In fact, if you feel 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 Mazda 5 is connected to a wheel bearing, which is one of the most common origins 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 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 Mazda 5 is stopped
If your Mazda 5 makes a loud noise while not accelerating, engine on, the issue may be related to poor air intake. An air intake hose that has come loose or has a hole in it may be the induce.
Where does loud noise come from on my Mazda 5 and how can I be sure of its origin?
Now that we have found the source of the sound, we will concentrate on the verification stage to ensure that this is the concern you are encountering.
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The loud noise comes from the wheels of my Mazda 5
As we have seen before, loud noise from the wheels of your Mazda 5 may be related to two main problems. 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 remember 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 as soon as possible. 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 Mazda 5 that is the problem, you will tend to feel a vibration in the direction of the vehicle as you go faster. In both situations, you will have to go to your technician to replace the tires or do a balancing.
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The loud noise comes from the engine of my Mazda 5
In case you have discovered loud noise as coming from the engine of your Mazda 5, 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 experience a power loss during your acceleration. If the loud noise on your Mazda 5 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 verify that the engine idle speed is not random. In case you confirm one of these two problems, take your vehicle to your service garage .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have detected comes from the exhaust pipe of your Mazda 5, it is highly plausible 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 Mazda 5, 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 car 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.
