It is never pleasant to listen a sound on your car you don’t where it comes from. So what if you discover a timing belt noise that continues on your smart forfour? It is highly conceivable that this is a insignificant trouble, but before being sure, it is better to execute some verifications. If this belt noise comes from your timing belt, our team has created this content to support you locate and fix it. First, we will take a look at the timing belt noises on your smart forfour and then we will look at the causes for these noises.timing-belt-noise-smart-forfour

Noise of timing belt smart forfour

The timing belt has an essential role to play. It acts as a conductor and synchronizes the engine crankshaft to the camshaft. It guarantees the correct transmission of movement to the valves and pistons, which must open at specific times. It is the link between the top and bottom of the engine. It is sorely tested and wears out with time, it is up to you to respect the manufacturer’s recommendations to change it at the right time, we usually talk about years or mileage to respect. Otherwise, you could be the victim of a engine failure.

I perceive a timing belt loud noise on my smart forfour after replacement

If you perceive a loud whistling sound that does not disappear on the timing belt of your smart forfour, it can be relating to a circular saw sound. It is more than plausible that you will have to worry about it rapidly. This can come as a result of a poorly performed belt swap. Indeed, some professionals want to save time and do not respect the manufacturer’s stress guidelines. Indeed, to change a timing belt you must first lock the engine in a certain method, with the right tools. Then, when the belt is reassembled, you will have to manage its tension and comply with the manufacturer’s standard. To do this, we will use a tool called a tensiometer, but unfortunately some garages or professionals do not apply themselves to one of these two tasks, which necessarily causes major problems for the vehicle owner. This leads to an over-tension of the timing belt which is even greater when hot and may eventually break. Bear in mind to take your vehicle to a professional to validate and resolve this problem. If, after checking out, this loud noise does not come from your timing belt, browse this content on loud noises on smart forfour for more info about it. In the other hand, it could be a serpentine noise on smart forfour that you encounter.

I hear belt noises squealing or squeaking that increase smart forfour

Finally, if you perceive asound from your smart forfour’s timing belt, it is urgent to take care of it and take your automobile to your auto technician or risk engine failure. The explanation for this noise is often an end-of-life belt that starts to destroy inside the engine and whose flaps begin to knock against the inside of the timing gearbox. Hurry to your mechanic. The replacement of a timing belt kit must always be done in advance as part of normal vehicle maintenance. If you wait until the failure occurs, it will be too late because the consequence of a timing belt failure is the failure of your engine. We will generally take this opportunity to change the accessory belt, the tensioning rollers that manage the tension of the belt and the water pump system. If you’re lucky and this noise doesn’t come from your timing belt, have a look at our content on squeaking noise on smart forfour.