When you discover unusual noises on your Mercedes Viano you usually tend to be anxious. Especially when you feel a noise coming from the release bearing of your Mercedes Viano. It is immediately assimilated to an engine problem and can therefore be serious. As we know that you do not take these trouble lightly, we have chosen to write this document to help you locate the triggers and free yourself from this concern as quickly as possible. To do this, we will first concentrate on the purpose 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 Mercedes Viano and their sources.
What is the purpose and operation of the release bearing on Mercedes Viano?
Role of the release bearing on Mercedes Viano
The release bearing of your Mercedes Viano has a fundamental purpose in the operation of your entire gearbox system. In fact, its mission is to liberate the gearbox from the rotation of the engine block via its action. This will allow you to shift gears. It is controlled 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 Mercedes Viano.
Objective of release bearing Mercedes Viano
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 (determined by 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 different variants of release bearing Mercedes Viano :
- Pulled release bearing
- Hydraulic release bearing
It is the most unconventional of the two variants of release bearing . This one, compared with 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.
The hydraulic release bearing, although more technical, is the kind most used in contemporary cars. It is however more elaborate than the pulled release bearing. In fact, it will be composed of a hydraulic tube that will receive the pressure right from the clutch pedal.
More conventional clutch stop
Release bearing noises Mercedes Viano and their sources
I feel a release bearing noise on Mercedes Viano 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 stops when you press your clutch pedal, this noise often sounds like a bell noise, it is highly conceivable that your release bearing is the cause. Make sure that this noise stops when you disengage, in which circumstance it is time to replace the release bearing of your Mercedes Viano.
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 associated with jolts that you can feel in your clutch pedal, then the stop/fork release/blades grouping is deteriorated. In fact, this noise often comes from the broken fork that no longer allows the system to function normally.
I feel a grinding noise coming from the release bearing of my Mercedes Viano when I try to shift gears and they do not shift
This concern arises most often on models equipped with hydraulic release bearing. It is often connected to a clutch pedal that has little or no resistance. If you are in this situation and you feel a grinding or cracking noise coming from the release bearing of your Mercedes Viano, then you probably have a leak coming from your release bearing. It must therefore be swapped quickly or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Mercedes Viano and it’s not from your release bearing, check this article to have more informations.
