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 Mazda 3 Star Cheng hatchback (null) is a compact two door sedan launched by Mazda's domestic car manufacturer, Changan Mazda, in 2011. The latest model year is 2015, abbreviated as M3, Maz3, and formerly known as Mazda 3, Axela, also known as Mazda 3. The Mazda 3 Star Cheng is a new Mazda 3 model that Changan Mazda is expected to launch in October 2011. On June 23, Changan Mazda officially confirmed its Chinese name as Mazda 3 Star Cheng, The expected selling price is 125000 to 165000 yuan. The Mazda 3-Star Cheng 2.0L model will be equipped with a 6-speed manual or 5-speed automatic transmission. The appearance also has a brand new design. On June 23, 2011, Changan Mazda announced the Chinese name of the new Mazda 3- Mazda 3-Star Cheng. In terms of power, the Mazda 3-Star Cheng will still be matched with 1.6L and 2.0L engines, but its 2.0L model will be equipped with a 6-speed manual or 5-speed automatic transmission
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