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What is the reason for the abnormal noise when shifting from P to R gear?

1 Answers

BeckettLee

07/29/25 9:54am

p>The abnormal noise when shifting from P to R gear is because the P gear has a locking mechanism. After engaging the P gear, the transmission gear is locked, and the car cannot move without pulling the handbrake. When shifting from P gear to other gears, the locking mechanism will release the lock, and it is normal to hear abnormal noise at this time. The following is a related introduction to gear shifting: 1. Concept: Gear shifting is the abbreviation of "gear lever operation method". It refers to the process in which the driver continuously changes the position of the gear lever according to the road conditions and the speed of the car through various psychological and physiological movements. Generally, the "gear lever operation method" is limited to the "gear lever" itself. 2. Technical requirements: The technical requirements for gear shifting can be summarized into eight words: timely, correct, smooth, and fast. Timely: grasp the appropriate gear shifting time, that is, neither shift up too early nor shift down too late. Correct: The coordination of the clutch pedal, accelerator pedal, and gear lever should be correct and coordinated, and the position should be accurate. Smooth: After shifting into a new gear, the clutch pedal should be timely and smooth. Fast: The action should be fast to shorten the gear shifting time, reduce the loss of car kinetic energy, and reduce fuel consumption.

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