There's nothing as scary as unwanted engine noise. Do not immediately go to your car repairer, the problem is probably not as serious as you think. For good identifier your problem we will find out the most frequent noises on a smart roadster and where they can come from.noise-engine-smart-roadster

The engine of my smart roadster makes a loud noise

When you are in neutral and the engine is emitting some kind of roar , there is indeed a problem. This can come from a not properly attached engine cover, which repeatedly taps on another component. It is also likely that a serious rustling noise will come from your belt. When your smart roadster does not produce a strange noise in neutral, but a deaf noise appears when you are driving, the problem most likely arises from bearings not the engine. Do not take too long to go to a car repairer, it can get worse.

The engine of my smart roadster makes a tractor noise

Your smart roadster emits a airplane noise , you think you are at the airport. Usually it comes from a hole or damaged pot, not the engine. The noise should be louder and more serious than normal, but related to acceleration. the harder you press the accelerator, the more noise the car emits. When this is not the case and the noise does not vary with acceleration, go to the auto repairer. The problem is probably due to a faulty engine element.

My smart roadster's engine makes a pan noise

Sharp noise on a smart roadster is often due to the belt, not the engine itself. It is usually the loose accessory belt, or one of the defective tensioners. Put a few wrenches on your belt when it is not tight enough, or replace the tensioner roller.

The engine of my smart roadster makes a lot of noise

When your smart roadster produces a lot of noise it can generally come from two main reasons. For the first, it is a thud that will come from bearings . However, it can also come from tires not sufficiently inflated, or even too worn. When the engine produces a lot of noise, it can also be due to a problem with fuel combustion, or exhaust hole. Finally, it is quite rare that the engine is the source of this type of noise.

My smart roadster's engine makes a clicking noise

This is a fairly common and relatively disturbing problem. This noise of slam can arise from several engine parts. However you will find below the two most common.

  • Poor combustion. In fact, poor or partial combustion can generate clicking noises. Do not engage in repairs if ever this happens, go to your car repairer instead.
  • When this click occurs only when cold, it may come from hydraulic lifters .
  • The problem can also come from pistons , rockers , etc.

Not easy to diagnose. Mechanical noises should be considered as signals. It is advisable to go to your car repairer for a more exact audit. Be vigilant!