The noises will often worry the motorist. Nevertheless they have the interest to warn us before a bigger problem appears. It is therefore very important not to take them lightly and to take steps to correct them. A abnormal rear noise happens at times, whether on a smart forfour or any model of car. We will see what will be the most common noises on a smart forfour, and what will be the associated problems.rear-noise-smart-forfour

Rear rolling noise on the smart forfour

There are many bearings in a smart forfour. In the event that these are damaged, they often emit a fairly identifiable noise. A rolling wheel triggers a low rumble , comparable to the standard noise of a wheel but more serious and louder. Therefore, you will have to change the rolling of the wheels that emit this noise. For rear transmission models, the transmission could also be the source of the problem.

Clicking noise at the rear axle on the smart forfour

Most of the time, that clicking or back cracking noise on a smart forfour is due to shock absorbers . A noisy shock absorber is also a sign of wear. Beyond comfort, not to take care of it would be unreasonable. It is often the very state of the spring that produces this noise. You can make sure of this if the noise you see is coming from particularly bad track conditions. In this situation you have to change them. It is indeed advisable to have it done by an auto repairer. If these are not the shock absorbers which are the cause, the problem can arise from many places. When two mechanical elements collide towards the rear of this smart forfour, it can make a popping noise quite similar. This is often due to a simple slightly unscrewed nut, however it is important to deal with it within short time.

Rear noise when braking on the smart forfour

It is possible that a squeaking, hissing or squeaking noise from the back of your smart forfour will be heard when you depress the brake pedal. Even if in very often it is not necessarily dramatic, it is really important to worry about it. It is systematically synonymous with wear. Your car will lose its ability to braking if you leave it lying around too much. For a back squeak On this smart forfour, it is sometimes that the system is dirty. A simple cleaning with a brake cleaner should suffice. If you see a squeak , it’s definitely that your rear brakes are seized . In this situation, it will have to be changed. If it is a metallic noise , it is then the platelets who are in poor condition. Again, you have to change them. It is essential to be vigilant when rear noises are heard on a smart forfour. We always recommend going to a garage for further inspection, or to carry out repairs. Good road.