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What Causes the Jerking Sensation When Releasing the Clutch After Shifting Gears?

2 Answers

Jeanette

07/29/25 10:07pm

The reasons for experiencing a jerking sensation when releasing the clutch after shifting gears are: 1. Jerking during upshifting: The transmission's response speed is not fast enough, and the upshift speed cannot keep up with the driver's throttle input, resulting in a jerking sensation during gear changes. 2. Jerking during downshifting: When the driver releases the accelerator pedal or presses the brake pedal, the alternator starts working, placing a load on the engine and causing a mismatch between the engine speed and the clutch disc speed, leading to a jerking sensation. The working principle of the clutch is: 1. The torque generated by the engine is transmitted to the driven disc through the friction between the flywheel, pressure plate, and the contact surface of the driven disc. 2. When the driver depresses the clutch pedal, the diaphragm spring's large end moves the pressure plate backward through mechanical linkage, separating the driven components from the driving components.

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DelGabriela

08/15/25 10:13pm

When it comes to feeling a jolt while releasing the clutch during gear shifting, I often encounter this situation when driving a manual transmission car. Generally, there are several reasons behind this phenomenon. The primary suspect is clutch disc wear—prolonged friction causes it to thin, leading to jerky power transmission. Secondly, if the synchronizer in the gearbox malfunctions, causing unnatural gear engagement, it can also result in noticeable vibrations. Insufficient or deteriorated clutch fluid is another common factor, as poor lubrication can make the connection unstable. If there are no major operational issues, then check the engine idle speed; unstable idle can amplify the transmitted jolt. I recommend first measuring the clutch fluid level and topping it up if low. If the problem persists, take it to a professional repair shop immediately to avoid further damage to other components. Driving with smooth gear shifts in daily use can help extend the clutch's lifespan.

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