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What Causes the Jerking Sensation When Shifting Gears in a Car?

2 Answers

MayaLynn

07/28/25 8:05pm

Car gear shifting has a jerking sensation due to improper driver operation and mismatched engine speed with gear position. Below is a related introduction about jerking during car gear shifting: Improper driver operation: The intensity of the jerking sensation during gear shifting is closely related to the driver's control skills. If the timing of gear shifting is not well grasped, there will naturally be a jerking sensation. Gear position switching, including automatic transmission cars, has protection and interlock mechanisms. If switching from D gear to R gear or P gear is done incorrectly, it can be dangerous during driving. However, switching between D gear and N gear can be done freely, including while driving. Mismatch between engine speed and gear position: The jerking sensation during gear shifting is mainly caused by the mismatch between the car's engine speed and wheel speed. The main function of the transmission is to change the speed ratio between the engine and the wheels, expanding the range of speed changes to adapt to speed variations in different environments. Therefore, the transmission can reduce this jerking sensation to a certain extent, making the power output smoother. Generally, the better the transmission and engine are matched, the smaller this jerking sensation will be.

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JoyFitz

08/12/25 12:54am

Gear shifting with a jerky feeling is quite a nuisance, something I've deeply experienced since driving older cars. The most common cause is clutch wear or improper adjustment, leading to uneven friction during each shift. Transmission fluid that's too old or insufficient can also trigger this issue, as inadequate lubrication causes gear sticking. For manual transmissions, it might be due to rough shifting techniques or unstable idling; for automatics, torque converter failure or control module problems are frequent culprits. I recommend first checking the oil and transmission fluid levels. If that doesn't help, it's time for a professional inspection—don't ignore it to avoid increased wear or potential slipping accidents. With older cars, maintenance can't be sloppy; regular oil changes prevent many troubles.

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