It is never pleasurable to listen to a sound that you don’t know where it comes from. So, what if you discover a gearbox noise that lasts on your Peugeot 406? It is most likely to be a minor matter, but before making sure of that, it is best to do a few checks. Our team has made up this article to help you to resolve it. First, we will see what the sources and different gearbox noises can be on Peugeot 406, and second, what are the solutions available to you. gearbox-noise-peugeot-406

The several noises and their sources

A gearbox / your transmission is the essential element of the transmission, it is coupled to the clutch that will release the engine pressure on the gearbox mechanisms. Finding out noises from your Peugeot 406’s gearbox is rarely a good sign, its repair is almost unachievable to carry out due to the lack of special garages and its replacement involves a heavy expense. The benefit is that generally its life expectancy after a first noise is quite long, which provides you time to arrange the repair, but it is crucial to check instantly what is your precise matter.

Your Peugeot 406 transmission generates noise in neutral

If you experience a gearbox noise even when you are in neutral, it shows that the gearbox’s internal elements are already well worn and that you will have to swap it fairly quickly. In fact, if you are not even with a gear on and it causes noise, the pinions must already be at the end of their life.

You listen a squeaking, a humming noise at the time of the gear shift

If you are sadly hearing squeaks, or humming noises when you switch the gears of your Peugeot 406, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this sound is not limited to passing the first gear and keep going when you drive and shift other gears. This is most likely an indicator of a gearbox which is nearly good to be replace. If you have the feeling after checking that the noise comes from the clutch and not the gearbox, we suggest you to browse this document in order to find the triggers and solutions to a clutch noise on Peugeot 406.

You experience a whinning or hummin sound from the gearbox of your Peugeot 406

Finally, if you listen a noise almost like a humming or whinning sound on the transmssion of your Peugeot 406, it is very often the case that the gearbox of your Peugeot 406 lacks oil. In fact, if it lacks oil, the parts will be exposed and grind agaisnt each other. In addition, each of its contacts will produce chips or metal dust that will mix with the oil and generate even greater resistance to mechanisms that are already worn out, a snowball effect will occur if you do not promptly replace the oil. In this situation the oil should be black and your can can smell burning. In some cases this kind of noises will be linked to a release bearing on Peugeot 406, don’t hesitate to have a look at our document.

The solutions available if you feel a gearbox noise on your Peugeot 406

  • Examine the gearbox oil of your Peugeot 406 via the level gauge and consider swapping it if the oil is black
  • Use the double clutch to try to make it last till you’re able to change the gearbox, this will limit the already advanced wear of your gearbox and limit the wear of the pinions.
  • Start looking for a second-hand or new gearbox, very few mechanics have the capacity to replace damaged parts in your own system, they will almost always offer you a standard exchange.