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What Causes the Car to Shake and Jerk When Starting?

1 Answers

EmilyLee

09/08/25 6:58am

One possible reason for the car body shaking and experiencing jerking sensations when starting in first gear could be poor contact of the clutch lining, weakened damping spring tension, or uneven tension of the clutch pressure springs. Below are detailed explanations of the causes and solutions: Weakened Damping Spring Tension: If the tension of the clutch torsional damping spring weakens, it can cause the clutch to shake when engaging. If it is confirmed that the issue lies with the torsional damping spring, the spring should be replaced promptly. Poor Contact of the Clutch Lining: Surface hardening or adhesion of sticky substances on the clutch lining can easily lead to clutch shaking. Any foreign objects on the clutch lining should be promptly removed. Uneven Pressure Spring Tension: Uneven tension of the engaging clutch pressure springs, inconsistent adjustment of the release levers, or uneven separation finger ends of the diaphragm spring can result in asynchronous pressure application times, uneven force distribution on the pressure plate, and even tilting of the pressure plate. This leads to poor contact between the main and driven discs, causing clutch shaking. In such cases, it is advisable to visit a repair shop for inspection and replacement.

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