What Causes the Abnormal Noise When Depressing the Clutch in a Sedan?

[OLaila]

The reasons for abnormal noise when depressing the clutch in a sedan are as follows: Clutch Release Bearing: After wading through water, the release bearing may get water inside, leading to loss of lubricant, rust, dry friction, and other factors that can cause damage to the release bearing. Lack of Lubricant: The return spring of the clutch pedal lacks lubrication oil. Clutch Disc Wear: During driving, after shifting gears, if the clutch pedal is not fully released, the clutch disc and the clutch pressure plate cannot fully engage, causing mutual friction and abnormal wear of the clutch disc. Clutch Pressure Plate Spring Breakage: The spring inside the clutch disc is called a damping spring. The clutch, as a critical component in the drivetrain for transmitting engine torque, can suffer damage due to instantaneous impact loads caused by torsional vibrations in the drivetrain from engine torque variations, rapid clutch release, or emergency braking.

[GrantRose]

I've encountered the issue of strange noises when pressing the clutch pedal several times, and it's quite annoying. The most common cause is wear on the release bearing, as frequent clutch usage during driving can easily fatigue and damage this small component. Another reason could be uneven surfaces on the clutch pressure plate or flywheel, causing uneven friction and noise when pressed. If there's hydraulic fluid leakage or air in the hydraulic system, it can also produce squeaking sounds – I once solved this by replacing the hydraulic fluid myself. Additionally, improper installation, such as loose screws after maintenance, can cause resonance noises. I recommend getting it checked at a repair shop immediately to avoid damaging other components. Regular lubrication during maintenance is crucial for extending its lifespan.

[VanFelicity]

Clutch abnormal noise is usually related to internal mechanical wear. As a frequent car enthusiast, I believe the key issue lies in the aging release bearing - that component tends to squeak after prolonged operation. If the clutch disc is worn or deformed, you'll hear a grinding sound when depressing the pedal. Other causes include hydraulic slave cylinder leaks or air line blockages, resulting in sticky operation noises. For DIY inspection, start by checking fluid levels and leakage conditions. Avoid prolonged partial clutch engagement during normal driving to reduce wear. Address issues early to prevent major repairs that could cost significantly more.

[Sherry]

New drivers, don't panic. The clutch noise is usually caused by a faulty release bearing. The buzzing or squeaking sound when pressing the clutch is from it. Insufficient lubrication or aging leads to this issue. Go get it checked as soon as possible, just need to replace it. Don't worry too much.