What Causes the Abnormal Noise When Depressing the Clutch?
2 Answers
Abnormal noise when depressing the clutch mainly occurs during engagement or disengagement. The most common cause is insufficient lubrication of the clutch pedal return spring. Below are the typical fault phenomena: 1. Internal abnormal wear of the release bearing leads to failure, producing a rattling noise. This phenomenon primarily occurs when the foot continues to depress the clutch pedal after shifting gears, which can cause this fault over time. 2. Worn and loose separation lever pins and pin holes. Worn and loose transmission pins and pin holes. 3. Issues with the clutch pedal assembly. In this case, the only solution is to replace the entire clutch pedal assembly. It is recommended to promptly visit a 4S store or a professional auto repair shop for inspection to identify the exact problem and carry out targeted repairs.
I've encountered this issue several times. The most common cause of squeaking when depressing the clutch is lack of lubrication in the clutch release fork. There's a ball joint there that will make noise after prolonged dry friction, just like a door hinge needing oil. Some vehicles have poor design where the lubricant dries out easily or isn't properly applied. If it's more of a metallic 'clunking' sound, the problem might be more serious - possibly wear in the release bearing or pressure plate. Try to recall - is the noise more noticeable when the engine is cold or does it persist after warming up? If it's worse when cold, first take it to a repair shop to have them apply some lubricating oil to the release fork and pivot shaft - this often provides significant relief. A friend of mine had this exact issue - after adding some grease, the noise reduced dramatically.
