What is a common sign of a worn release bearing?

A worn release bearing commonly produces a squeaking noise when the clutch pedal is pressed. This sound is typically indicative of inadequate lubrication or wear on the bearing itself. The release bearing, also known as the throw-out bearing, plays a crucial role in disengaging the clutch when the pedal is depressed. Over time, if the bearing wears down, it can produce various noises, with a squeaking sound being one of the most recognizable symptoms.

When evaluating the other potential symptoms, a grinding noise when shifting could suggest issues with the synchronizers or gears rather than the release bearing. A rough shifting sensation might point to problems elsewhere in the transmission or linkage, while higher RPMs when accelerating do not directly relate to the condition of the release bearing but rather could be a sign of clutch slippage or other engine-related issues. Therefore, the squeaking noise specifically signals wear and functional degradation of the release bearing.