What is the reason for the abnormal noise when stepping on and releasing the clutch?

1 Answers
AutumnAnn
07/29/25 9:35am
The reason for the abnormal noise when stepping on and releasing the clutch is the lack of lubricating oil in the return spring of the clutch pedal. The working process of the clutch involves the following three points: Working process: The diaphragm spring is installed between the clutch cover and the pressure plate, creating a pre-compression deformation that generates pressure on the pressure plate, pressing the driving and driven parts of the clutch together, i.e., the clutch is in the engaged state; Separation process: When the clutch pedal is depressed, the pedal moves left, pushing the push rod left, which through the cylinder and working cylinder, moves the diaphragm spring separation plate left. This causes the diaphragm spring to pivot on the support pin fixed to the clutch cover, moving the large end to the right while pulling the pressure plate right via the separation plate; Engagement process: Releasing the clutch pedal returns the pedal to its original position. The movement of the engagement mechanism is the reverse of the separation process. When a preset gap appears between the release bearing and the diaphragm spring separation plate, and the diaphragm spring re-presses the pressure plate against the driven plate, the engagement process ends, and the clutch resumes its power transmission function.
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