When you find out about unusual noises on your Alfa Romeo 159 you have a tendency to stress. Specifically when you feel a noise coming from the release bearing of your Alfa Romeo 159. It is immediately assimilated to an engine issue and can therefore be serious. As we know that you do not take these trouble lightly, we have decided to write this article content to support you find the causes and free yourself from this concern as quickly as possible. To do this, we will first concentrate on the role and operation of the release bearing of your clutch, and in a second step we will look in detail at the different release bearing noises on Alfa Romeo 159 and their origins.release-bearing-noise-alfa-romeo-159

What is the function and operation of the release bearing on Alfa Romeo 159?

Function of the release bearing on Alfa Romeo 159

The release bearing of your Alfa Romeo 159 has a essential role in the operation of your entire gearbox system. In fact, its task is to liberate the gearbox from the rotation of the engine block via its action. This will allow you to shift gears. It is operated by the clutch pedal and then by the release fork, which, when it is activated, will press on the clutch and release the gearbox from engine rotation for you allow you to shift gears on your Alfa Romeo 159.

Action of release bearing Alfa Romeo 159

Let’s now look at the technical side, the release bearing is composed of two units, a first fixed part that slides only when the stop is pulled, or pushed (based on its type) and finally a rotating part that is composed of a bearing that will allow it to stay in contact with the mechanism and follow its rotation.
There are two distinct variants of release bearing Alfa Romeo 159 :

  • Pulled release bearing
  • It is the most unconventional of the two variants of release bearing . This one, contrary to the hydraulic form, is operated by a mechanical pulling system that will release the clutch disc. In this situation, the release bearing must be mechanically fixed to the mechanism.

  • Hydraulic release bearing
  • The hydraulic release bearing, although more complicated, is the type most used in contemporary cars. It is however more complicated than the pulled release bearing. In fact, it will be composed of a hydraulic tube that will receive the pressure straight from the clutch pedal.
    More conventional clutch stop

Release bearing noises Alfa Romeo 159 and their origins

I feel a release bearing noise on Alfa Romeo 159 each time I drive and it stops when I depress my clutch pedal

If you feel a noise from your gearbox, release bearing or clutch itself when your engine is running, but it ends when you press your clutch pedal, this noise often sounds like a bell noise, it is highly plausible that your release bearing is the cause. Make sure that this noise stops when you disengage, in which situation it is time to swap the release bearing of your Alfa Romeo 159.

I feel a release bearing noise when my pedal is up and I feel jolts in my foot

If you feel too much or too little resistance when you press your clutch pedal, and it is linked with jolts that you can feel in your clutch pedal, then the stop/fork release/blades grouping is degraded. In fact, this noise often comes from the broken fork that no longer allows the system to run normally.

I feel a grinding noise coming from the release bearing of my Alfa Romeo 159 when I try to shift gears and they do not shift

This concern appears most often on models equipped with hydraulic release bearing. It is often linked to a clutch pedal that has little or no resistance. If you are in this circumstance and you feel a grinding or cracking noise coming from the release bearing of your Alfa Romeo 159, then you probably have a leak coming from your release bearing. It must therefore be changed quickly or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Alfa Romeo 159 and it’s not from your release bearing, check this article to have more informations.