It is never pleasant to notice a sound that you don’t know where it originates from. So, what if you detect a gearbox noise that remains on your Peugeot 407? It is most likely to be a minor matter, but before making sure of that, it is best to conduct a few verifications. Our staff has made up this content page to support you to fix it. First, we will see what the sources and different gearbox noises can be on Peugeot 407, and second, what are the solutions accessible to you. gearbox-noise-peugeot-407

The different noises and their origins

A gearbox / your transmission is the necessary element of the transmission, it is linked to the clutch that will release the engine force on the gearbox systems. Listening noises from your Peugeot 407’s gearbox is never a good signal, its repair is nearly impossible to accomplish due to the lack of specialized mecanician and its replacing demands a heavy expense. The gain is that generally its life expectancy after a first noise is actually quite long, which provides you time to organize the repair, but it is crucial to check instantly what is your specific matter.

Your Peugeot 407 transmission makes noise in neutral

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

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

If you are unfortunately experiencing squeaks, or humming noises when you switch the gears of your Peugeot 407, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise is not restricted to passing the first gear and keep going when you drive and shift other gears. This is most likely an indication of a gearbox which is nearly good to be change. If you have the feeling after examining that the noise comes from the clutch and not the gearbox, we recommend you to have a look at this content page to be able to find the triggers and solutions to a clutch noise on Peugeot 407.

You encounter a whinning or hummin sound from the gearbox of your Peugeot 407

Finally, if you listen to a noise close to a humming or whinning sound on the transmssion of your Peugeot 407, it is very often the case that the gearbox of your Peugeot 407 lacks oil. Indeed, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will generate chips or metal dust that will mix with the oil and develop even greater resistance to mechanisms that are already worn out, a snowball effect will occur if you do not as soon as possible change the oil. In this situation the oil should be black and your can can smell burning. In some cases this sort of noises will be linked to a release bearing on Peugeot 407, don’t hesitate to go to our content page.

The solutions existing if you have a gearbox noise on your Peugeot 407

  • Verify the gearbox oil of your Peugeot 407 via the level gauge and consider changing it if the oil is black
  • Use the double clutch to try to make it last till you’re able to swap 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 capability to change damaged parts in your own system, they will almost always offer you a standard exchange.