Transmission valve body: Introduction to the transmission valve body: 1. The transmission valve body can be used for shifting between high and low gears. When the vehicle speed reaches a certain gear, hydraulic oil pushes the valve body to automatically shift the gear to that gear. The automatic transmission can automatically change the transmission ratio according to the engine load and speed, so that the car can achieve good power and fuel economy, and reduce engine emissions pollution. 2. The automatic transmission is easy to operate, When vehicles are congested, it can greatly improve the safety and reliability of vehicle operation. Electronic controlled automatic transmissions are usually composed of five parts: hydraulic torque converter, planetary gear transmission system, shift actuator, hydraulic control system, and electronic control system)
The function of the gearbox valve body is to drive the gearbox to shift high and low. The gearbox valve body controls various shifting mechanisms by converting the oil circuits inside the valve body. Of course, there may be damage to components on the vehicle, such as the gearbox valve body. The reasons for damage may include the following: 1. Insufficient internal pressure caused by structural damage or insufficient sealing inside the valve body, resulting in difficulty in separating or combining shifting actions; 2. The electromagnetic valve or mechanical part inside the valve body is damaged, causing the original function to not function properly; 3. If the oil in the valve body is used for too long and there are too many impurities in the oil, it will cause the valve body to operate slowly. If the time is too long, it will exacerbate the wear of the valve body. Symptoms of a damaged transmission valve body: 1. Impact sensation during upshifting and downshifting, and obvious jerking during shifting; 2. There is a strong jerking sensation when shifting gears, and the shifting motion is not smooth, etc; 3. The gearbox makes abnormal noises while driving; 4. The instrument panel displays a transmission fault light
The GAC Trumpchi GA4 will be officially launched and sold in January 2019. The new car will follow the design style of the GAC Trumpchi family and will be equipped with two engines, 1.3T and 1.5L. The appearance of the GAC Trumpchi GA4 will follow the design style of the GAC Trumpchi family, with three horizontal chrome decorative strips on the front face paired with eagle eye style headlights, giving it a very sharp overall shape. The rear of the GAC Trumpchi GA4 is relatively simple, with strong lines and a clear sense of hierarchy, The three-dimensional tail light design on both sides echoes the design of the front headlight group. In terms of body size, the new car has a length, width, and height of 4692/1805/1500mm, and a wheelbase of 2660mm. The interior of the GAC GA4 adopts the design elements of the current GAC GA3, with a large LCD display screen in the central control area and vertical air conditioning vents on both sides. In addition, the car is equipped with a three spoke multifunctional steering wheel and decorated with chrome trim, The design is more exquisite. In terms of power, the GAC GA4 is equipped with two engines, 1.3T and 1.5L, with maximum power of 137 horsepower and 114 horsepower respectively. The transmission is matched with manual and automatic transmissions
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