It is never relaxing to notice a sound in your automobile that you don’t know the starting point of. So, what if you discern a loud noise that lasts on your Toyota Avensis? It is very possible that this is a minor problem, but before beeing sure, it is better to accomplish some inspections. 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 made this content to help you solve it. First, we will describe the possible causes for the trouble according to when loud noise appears on your Toyota Avensis, and then we will concentrate on the region of origin of the noise. In any case, if this noise continues, follow these advice to help you find the source.loud-noise-toyota-avensis

When does my Toyota Avensis generate a loud noise?

One way to discern a noise from your Toyota Avensis is to establish when it appears. Indeed, some problems can be related to parts that are only stressed under certain circumstances. It is this approach that we will focus on in this first part.

Loud noise Toyota Avensis when accelerating

Loud noise on Toyota Avensis that takes place when you are accelerating can be symptomatic of multiple failures. Indeed, if you feel 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. Additionally, it is also highly possible that loud noise on your Toyota Avensis 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 possible that the problem 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 Toyota Avensis is stopped

If your Toyota Avensis makes a loud noise while not accelerating, engine on, the problem may be linked to 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 Toyota Avensis and how can I be sure of its origin?

Now that we have uncovered the cause of the sound, we will look into the verification step to make certain that this is the matter you are having.

  • The loud noise comes from the wheels of my Toyota Avensis

    As we have seen before, loud noise from the wheels of your Toyota Avensis may be linked 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 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 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 Toyota Avensis that is the trouble, 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 auto mechanic to swap the tires or perform a balancing.

  • The loud noise comes from the engine of my Toyota Avensis

    In case you have identified loud noise as coming from the engine of your Toyota Avensis, 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 Toyota Avensis 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 verify that the engine idle speed is not random. In case you confirm one of these two trouble, take your vehicle to your garage .

  • Loud noise comes from the exhaust pipe of the vehicle

    If the noise you have detected comes from the exhaust pipe of your Toyota Avensis, 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 Toyota Avensis, 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 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.