When you identify unusual noises on your Lexus GS you have a tendency to stress. Specifically when you feel a noise coming from the release bearing of your Lexus GS. It is immediately assimilated to an engine trouble and can therefore be serious. As we know that you do not take these trouble lightly, we have chosen 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 focus on the function 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 Lexus GS and their origins.release-bearing-noise-lexus-gs

What is the function and operation of the release bearing on Lexus GS?

Task of the release bearing on Lexus GS

The release bearing of your Lexus GS has a crucial function in the operation of your entire gearbox system. Indeed, 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 Lexus GS.

Action of release bearing Lexus GS

Let’s now look at the technical side, the release bearing is composed of two parts, a first fixed part that slides only when the stop is pulled, or pushed (according to 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 Lexus GS :

  • Pulled release bearing
  • It is the most unconventional of the two types of release bearing . This one, unlike 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.

  • Hydraulic release bearing
  • The hydraulic release bearing, although more technical, is the version most used in contemporary vehicles. It is however more complicated than the pulled release bearing. Indeed, 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 Lexus GS and their origins

I feel a release bearing noise on Lexus GS every time I drive and it stops when I release 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 conceivable that your release bearing is the reason. Make sure that this noise stops when you disengage, in which circumstance it is time to replace the release bearing of your Lexus GS.

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. Indeed, this noise often comes from the broken fork that no longer allows the device to work normally.

I feel a grinding noise coming from the release bearing of my Lexus GS 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 associated with 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 Lexus GS, then you probably have a leak coming from your release bearing. It must therefore be swapped fairly quickly or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Lexus GS and it’s not from your release bearing, check this article to have more informations.