Troubleshooting by Symptom - Procedure 10

~1min read
Strong shocks (jerks) are felt and engine speed increases (running up). Possible Cause
If, while driving, a shock is felt during gear shifting and the transmission output shaft speed becomes higher than the engine crankshaft speed, the possible causes are incorrect A/T hydraulic control pressure, a faulty A/T oil pump, faulty solenoid valves, faulty clutches, faulty brakes, etc. Incorrect A/T hydraulic control pressure. Faulty one or more solenoid valves. Faulty A/T oil pump. Faulty control valve body. Faulty clutch or brake.
Процедуры поиска неисправностей по их признакам - процедура проверки 11

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A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.