实际上车辆的变速箱不容易出现问题，但是如果一旦出现故障，就比较麻烦，如果车辆引擎空转是否代表变速箱本身有问题吗？下面我们就来分析下这个问题吧。
In fact, the gearbox of the vehicle is not prone to problems, but it will be more troublesome if there is a fault. Does idling of the vehicle engine mean that there is a problem with the gearbox itself? Now let's analyze this problem.
发动机怠速一般有两种情况：
There are generally two conditions for engine idling:
（1）车辆平稳时突然出现发动机怠速现象，车速减慢后恢复正常。这种情况一般是指变速箱在短时间内突然从高速降到低速，问题可能出在控制系统或冷却系统的变速箱本身没有问题。
(1) When the vehicle is stable, the engine idles suddenly, and the vehicle speed slows down and then returns to normal. This generally means that the gearbox suddenly drops from high speed to low speed in a short time. The problem may be that the gearbox of the control system or cooling system has no problem.
(2)在加速过程中或换档过程中，出现短时打滑、空转现象。直观的感觉是后者不如前者强大。事实上，情况恰恰相反。后者的问题主要出在变速箱上。在离合器等相关环节，需要对变速箱进行一次完整的拆解和大修，所耗费的时间和成本远远超过前者。
(2) In the process of acceleration or gear shifting, there is short-term slip and idling. The intuitive feeling is that the latter is not as powerful as the former. In fact, the opposite is true. The problem of the latter mainly lies in the gearbox. In the clutch and other related links, a complete disassembly and overhaul of the gearbox is required, which costs far more time and cost than the former.
问题出在电源连接离合器上。手动变速器的离合器主要包括离合器压盘、离合器片和分离轴承三部分。离合器压盘属于从动盘，它固定在发动机曲轴后面的飞轮上，与曲轴同时运转。离合器片属于主动盘，与通向变速箱内部的输入轴相连接，位于飞轮和压盘之间。
The problem lies in the power connection clutch. The clutch of manual transmission mainly includes clutch pressure plate, clutch plate and release bearing. The clutch pressure plate belongs to the driven plate, which is fixed on the flywheel behind the engine crankshaft and operates at the same time with the crankshaft. The clutch plate is the driving plate, which is connected to the input shaft leading to the inside of the transmission and is located between the flywheel and the pressure plate.
发动机对变速箱的动力输出取决于离合器片是否通过压盘紧紧地固定在飞轮上。然后，两步换档，踩下离合器踏板，向前推动分离轴承，轴承与压盘一起转动，推动压盘以杠杆方式释放离合器片，此时，发动机的动力输出被切断；换到合适的档位，慢慢松开离合器踏板，将分离轴承慢慢恢复到原来的位置，直到离合器踏板完全松开，压盘在很短的时间内将离合器片紧紧固定在飞轮上，充分传递发动机动力。
The power output of the engine to the transmission depends on whether the clutch plate is firmly fixed to the flywheel through the pressure plate. Then, shift gears in two steps, step on the clutch pedal, push the release bearing forward, the bearing rotates with the pressure plate, and push the pressure plate to release the clutch plate in a lever manner. At this time, the power output of the engine is cut off; Shift to the appropriate gear, slowly release the clutch pedal, slowly restore the release bearing to the original position until the clutch pedal is completely released, and the pressure plate firmly fixes the clutch plate on the flywheel in a very short time to fully transmit the engine power.
当压盘长期来回运动时，到了一定阶段，弹性会逐渐减小，也就是说离合器片不能紧紧地固定在飞轮上，离合器片就会打滑空转。长期磨损后，离台板的厚度会变小，就像刹车片一样。此时，由于压板行程的限制，固定不牢，从而打滑空转。
When the pressure plate moves back and forth for a long time, the elasticity will gradually decrease at a certain stage, that is to say, the clutch plate cannot be firmly fixed on the flywheel, and the clutch plate will slip and idle. After long-term wear, the thickness from the platen will become smaller, just like the brake pad. At this time, due to the limit of the pressure plate travel, it is not fixed firmly, thus slipping and idling.
自动变速器的动力输出比手动变速器的要复杂得多。手动踩下离合器和换档由计算机控制的电磁阀代替。但是，输出到驱动轴的动力也是通过无数摩擦片和钢板的结通过齿轮传递的。如果变速箱使用不当或保养不及时，变速箱内的??油压传递不顺畅，就会出现摩擦片。滑倒、旋转甚至燃烧。
The power output of automatic transmission is much more complicated than that of manual transmission. Manually depressing the clutch and shifting gears are replaced by computer-controlled solenoid valves. However, the power output to the drive shaft is also transmitted through gears through numerous friction plates and steel plate knots. If the transmission is not used properly or maintained in time, the transmission will be damaged?? If the oil pressure is not transmitted smoothly, friction plates will appear. Slip, spin and even burn.
无论是手动变速箱还是自动变速箱，一旦发动机出现加速、怠速、打滑等现象，应及时进行检查，更换三片式离合器或自动变速箱。被拆卸和修理。不要拖延，以免造成更大的损失。
Whether manual transmission or automatic transmission, once the engine accelerates, idles, slips, etc., professional inspection shall be carried out in time to replace the three plate clutch or automatic transmission. Removed and repaired. Don't delay to avoid greater losses.
此外
济南自动变速箱维修人员提醒您，变速箱系统跟发动机系统及ABS系统等有紧密的通信，电脑系统牵扯面非常复杂，另外机械方面精度非常高。所以变速箱系统出现故障可能涉及多方面原因，一旦出现故障，建议车主到汽车维修店，由经验丰富的技师进行诊断。
In addition, the maintenance personnel of Jinan automatic transmission remind you that the transmission system has close communication with the engine system and ABS system. The pulling surface of the computer system is very complex. In addition, the mechanical accuracy is very high. Therefore, the failure of the transmission system may involve many reasons. Once the failure occurs, it is recommended that the owner go to a professional automobile repair shop for diagnosis by experienced professional technicians.
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