There is nothing as disturbing as unusual noises coming from the engine block. Do not go directly to your mechanic, the problem is probably not as critical as you think. In order to properly identifier the problem let's find out the most usual noises on this smart smart and what they came from.noise-engine-smart-smart

The engine block of my smart smart makes a thud

If you are ever at a standstill and the engine block emits a kind of roar , there is definitely a problem. It could come from a cover of the badly attached engine block, which repeatedly taps on another component. It is also conceivable that a serious hissing noise could come from your belt. If your smart smart does not emit any strange noise at a standstill, but a thump occurs as soon as you drive, the problem must most likely come from bearings and not from the engine block. Don't wait too long to get to a mechanic, it could get worse.

The engine of my smart smart makes a tractor noise

Your smart smart emits a airplane noise , you think you are at the airport. Often, it comes from a hole or damaged pot, not from the engine block. The noise should be louder and more serious than usual, but related to acceleration. the more you accelerate, the more noise the vehicle emits. If this is not the case and the noise does not vary with acceleration, go to the mechanic. The problem must probably come from a damaged engine block element.

The engine block of my smart smart sounds like a pan

A pan noise on this smart smart usually remains related to the belt, not the engine block as such. It is usually the accessory belt not tight enough, or one of the tension rollers damaged. Put a few wrenches on your belt if it is not tight enough, or replace the tensioner roller.

The engine of my smart smart makes a lot of noise

If your smart smart emits a lot of noise, it can often result from two main causes. For the first, it is a thud that will come from bearings . However, this can also result from tires not sufficiently swollen, or even too bad. If the engine block makes a lot of noise, it could also be due to a fuel combustion problem, or exhaust perforated. Finally, it is quite rare that the engine block is the source of this type of noise.

My smart smart's engine makes a clicking noise

This is a fairly common and rather annoying problem. This noise of slam could result from several parts of the engine block. However you will find below the two most common.

  • Poor combustion. In fact, poor or partial combustion could generate clicking noises. Do not attempt repairs if that is it, go to your mechanic instead.
  • If this snap occurs only when cold, it could be that it comes from hydraulic lifters .
  • The problem could also arise from pistons , rockers , etc.

Not easy to diagnose. Noises from the engine should be considered as signals. It is advisable to go to your mechanic for a more specific audit. Good road !