When you detect unusual noises on your Mazda CX 7 you have a tendency to be concerned. Specifically when you feel a noise coming from the release bearing of your Mazda CX 7. It is instantly assimilated to an engine trouble and can therefore be serious. As we know that you do not take these trouble lightly, we have decided to create this content page to support you find the causes and free yourself from this concern as quickly as possible. To do this, we will first focus 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 Mazda CX 7 and their sources.
What is the function and operation of the release bearing on Mazda CX 7?
Purpose of the release bearing on Mazda CX 7
The release bearing of your Mazda CX 7 has a crucial purpose in the operation of your entire gearbox system. Indeed, 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 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 Mazda CX 7.
Action of release bearing Mazda CX 7
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 types of release bearing Mazda CX 7 :
- Pulled release bearing
- Hydraulic release bearing
It is the most unconventional of the two types of release bearing . This one, contrary to the hydraulic type, 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 modern automobiles. It is however more elaborate than the pulled release bearing. Indeed, it will be composed of a hydraulic tube that will receive the pressure immediately from the clutch pedal.
More conventional clutch stop
Release bearing noises Mazda CX 7 and their sources
I feel a release bearing noise on Mazda CX 7 in cases where 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 possible that your release bearing is the cause. Make sure that this noise stops when you disengage, in which case it is time to change the release bearing of your Mazda CX 7.
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 degraded. Indeed, this noise often comes from the broken fork that no longer allows the device to operate normally.
I feel a grinding noise coming from the release bearing of my Mazda CX 7 when I try to shift gears and they do not shift
This concern shows up most often on models equipped with hydraulic release bearing. It is often associated with 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 Mazda CX 7, then you probably have a leak coming from your release bearing. It must therefore be changed almost instantly or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Mazda CX 7 and it’s not from your release bearing, check this article to have more informations.
