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Whether a car with manual transmission is driving steadily can be determined by the front and rear shaking amplitude of the co pilot and passenger

Views: 0     Author: Wondee Autoparts     Publish Time: 2024-06-11      Origin: Wondee Autoparts


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First of all, it should be noted that driving a manual transmission, shifting jerks, and starting to stall are not issues with the car, but rather with the driving method. Most people know this, but there are also some who don't. A car owner asks if the engine always stalls when starting, is there a problem with the car? This is not a problem with the car, it's due to poor driving skills. It is easy to see a person's level of driving ability when driving a manual transmission car, while in an automatic transmission car, everyone drives forward and it is not easy to distinguish between high and low driving skills. Manual transmission is completely different because frequent gear shifting operations are involved during driving, and the level of driving ability can be determined by simply shifting gears. There are two aspects to shifting gears, one is the timing of shifting, which allows you to shift into the appropriate gear at any time. The second is whether the shifting is smooth. Some drivers may have driven for many years, but shifting gears is not smooth, especially when driving fast in a hurry.

Manual transmission (1)

When you are a beginner, you may be more concerned about the smoothness of your gear changes. However, after driving for a long time, you may not be as concerned because you cannot feel it. If you experience jerky gear changes, you will not feel uncomfortable, while passengers will feel uncomfortable. So, whether driving is stable or not, you can tell from the passengers on the front passenger seat. If the co pilot always sways back and forth after shifting gears, it indicates that your shifting is not smooth, especially in low gear. High gear is difficult to achieve smoothness due to the high inertia of the car. If the passenger does not shake back and forth after shifting gears, or if the shaking amplitude is small, it indicates that the car is driving steadily.

Manual transmission (2)

How to shift gears to make the car smoother? A reasonable shifting timing is the most important, and secondly, the clutch should be slowly released. Let's first talk about the issue of releasing the clutch. The first three gears need to be slowly released, and the later high gears need to be quickly released. When in low gear, if the vehicle speed is not fast, the engine braking is actually very strong. If the clutch is released too fast, the vehicle will suddenly be subjected to a large amount of engine braking force, causing the speed to rapidly decrease. Then, another step on the accelerator will accelerate, causing the passengers in the car to shake forward and then backward. The clutch is slowly released, allowing the engine braking force to be applied smoothly, and the deceleration effect is not so sudden and obvious. When it is almost completely released, then the accelerator is added to drive smoothly. After reaching a high gear, due to the high speed and inertia of the vehicle, the engine 

braking force is greatly reduced, so there is no need to slowly release the clutch. Quick release will not cause any jerking, and it will also protect the clutch plate. If the vehicle speed is very high or is released very slowly, the clutch plate will wear out more.

Manual transmission (3)

Regarding the timing of shifting, the optimal engine speed is around 2000 rpm. Shifting at a high rpm not only wastes fuel, but also reduces smoothness. Assuming a gear shift takes over 3000 rpm, there will definitely be significant jerks in a few gears at low speeds, even if the clutch is slowly released, because jerks already occur when the accelerator is released. If you shift gears too early, that is, when the engine speed is very low, it will increase the load on the engine, resulting in weak acceleration, incomplete combustion, and even cylinder knocking, which can be harmful to the engine.

From:WONDEE Autoparts



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