What Causes Transmission Jerking During Upshifting?
2 Answers
Transmission jerking during upshifting can be caused by: 1. The upshift speed not keeping up with the driver's throttle input; 2. When the driver releases the throttle pedal or steps on the brake pedal, causing the engine speed to be out of sync with the clutch disc speed; 3. Malfunction in the transmission gear program; 4. Internal contamination or presence of impurities in the transmission; 5. Poor transmission cooling. The reason for the jerking sensation in the transmission is: the impact feeling generated by the inertia of the moving parts inside the engine. The transmission, also known as the gearbox, is a mechanism used to change the speed and torque from the engine. It can either fix or change the gear ratio between the output shaft and the input shaft, and it consists of the gear transmission mechanism and the control mechanism.
Gear shift jerks while driving can indeed be quite annoying. I think the main issues might stem from several areas. Insufficient or deteriorated transmission fluid can affect the hydraulic system's smooth operation, causing jerky shifts. Worn clutch plates are also a common factor, especially in manual transmission vehicles that have been driven for a long time, leading to incomplete engagement. Additionally, faults in the electronic control module, such as sensor misreading data or software bugs, can result in incorrect shift timing. Unstable engine output, like ignition issues, can indirectly affect the transmission. I recommend driving more gently, avoiding hard acceleration and forced upshifts, and adhering to regular oil changes and maintenance, checking the fluid level every 20,000 kilometers. If the problem persists, it's best to visit a professional workshop promptly to prevent further component damage, which could lead to costly repairs and safety risks.
