There is nothing more frightening than unusual noises from the engine. Do not run suddenly to your garage, the malfunction is probably not as serious as you might imagine. To correctly identifier this dysfunction we will find out the most frequent noises on this Toyota Avensis 4 as well as where they come from.engine-noise-Toyota-Avensis-4

The engine of my Toyota Avensis 4 makes a thud

In case you are at a standstill and the engine makes some kind of roar , there is indeed a malfunction. This could be from a loose engine cover, which rebounds repeatedly on another component. It is also possible that a serious rustling noise has come from the belt. In the event that your Toyota Avensis 4 does not make any suspicious noise when it is stopped, but a deaf noise appears as soon as you drive, the malfunction must most likely come from bearings and not the engine. Don't wait too long to get to a garage, it can get worse.

My Toyota Avensis 4 engine makes a tractor noise

Your Toyota Avensis 4 makes a airplane noise , but without having its performance. Often this comes from a drilled or faulty exhaust, not from the engine. The noise should be louder and more serious than normal, but dependent on acceleration. the more you accelerate, the more the car makes noise. If this is not the case and the noise does not vary depending on the acceleration, go to the mechanic. The malfunction must probably come from a damaged engine component.

The engine of my Toyota Avensis 4 makes a pan noise

A sharp noise on this Toyota Avensis 4 usually remains related to the belt, and not the engine itself. It is usually the accessory belt not tight enough, a defective tensioner roller. Put a few wrenches on the belt when it is not tight enough, or replace the tensioner roller.

The engine of my Toyota Avensis 4 makes a lot of noise

In case your Toyota Avensis 4 makes a lot of noise it can usually be caused by two main reasons. The first is a thud that will come from bearings . However, it could also come from tires not swollen enough, or even too bad. If the engine makes a lot of noise, it could also be due to a fuel combustion malfunction, or exhaust perforated. Finally, it is quite exceptional that the engine is the source of this type of noise.

My Toyota Avensis 4 engine makes a popping sound

This is a fairly common and rather disturbing dysfunction. This noise of slam could arise from various engine parts. However here are the two most common.

  • Poor combustion. Undeniably, poor or partial combustion could cause clicking noises. Do not embark on repairs if that is it, rather go to your garage.
  • If this noise only comes from cold, it could be that it comes from hydraulic lifters .
  • The malfunction could also result from pistons , rockers , etc.

Not easy to diagnose. Noises from the engine should be considered as signals. It is advisable to go to your garage for a more specific check. Be careful !