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What is a Transmission Valve Body?

2 Answers

DeCharlotte

09/01/25 7:53am

Transmission valve body is used for gear shifting between high and low gears. When the vehicle speed reaches a certain gear speed, the hydraulic oil pushes the valve body to automatically shift to that gear. Below are related introductions: 1. Automatic transmission: It can automatically change the transmission ratio according to engine load, vehicle speed and other conditions, providing the vehicle with good power performance and fuel economy while reducing engine emissions. Automatic transmissions are easy to operate and can significantly improve driving safety and reliability in heavy traffic. 2. Components: An electronically controlled automatic transmission typically consists of five parts: torque converter, planetary gear transmission system, shift actuator, hydraulic control system, and electronic control system.

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LaLila

09/14/25 3:36am

As a car enthusiast, I have a good understanding of transmission valve bodies. It's like the brain of an automatic transmission, controlling the flow of hydraulic fluid to determine when to shift gears. Imagine when you press the accelerator to speed up, the small valves inside the valve body sense signals, opening or closing to allow oil pressure to engage the clutches and achieve gear changes. If the valve body malfunctions, such as getting clogged with debris or wearing out, the car might get stuck in a certain gear, experience rough shifting, or fail to shift altogether, affecting driving pleasure and fuel efficiency. During routine maintenance, I always remind myself to change the transmission fluid regularly because clean fluid reduces valve body wear and extends its lifespan. This component is quite crucial in automatic transmission cars, and replacing a new one can cost anywhere from a couple thousand to several thousand yuan, so timely inspection is essential.

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Can I License the Car Myself After Purchase?

You can license the car yourself after purchase. Here is the relevant information: 1. To license a car, you must prepare the following documents: vehicle certificate of conformity, triplicate car purchase invoice, proof of vehicle purchase tax payment (obtaining both original and duplicate tax certificates), insurance certificates for compulsory traffic insurance and commercial insurance, and original ID card with copies. 2. Pay attention to the validity period of temporary license plates: local temporary plates are valid for 15 days, while out-of-town temporary plates are valid for 30 days. They will expire after this period, but you can apply for temporary plates up to 3 times at most. During the validity period, you should complete the licensing procedures as soon as possible to obtain the official license plates. Temporary plates must be affixed to the lower left or right corner of the front windshield inside the car, ensuring they do not obstruct the driver's view.

Why is the Accord's air conditioner blowing cold on one side and hot on the other?

The car itself can be equipped with a dual-zone air conditioning system, meaning there are separate temperature control knobs for the left and right air vents, allowing individual adjustment of the air temperature on each side to meet the different temperature preferences of passengers. Here are some tips for using the car air conditioner effectively: 1. Ventilate before turning it on: After the car has been exposed to the sun for a long time, open all four doors and the sunroof to allow air to circulate for 3 minutes. This quickly reduces the interior temperature, making the air conditioning more effective when turned on. 2. Use the recirculation mode wisely: Recirculation mode blocks hot air from outside, creating a sealed space inside the car where air circulates rapidly under the air conditioning to cool down quickly. Once the interior temperature has dropped, it is recommended to switch to fresh air mode every 30 minutes to refresh the air inside, then switch back to recirculation after 5 minutes. 3. Turn off the air conditioner in advance: Shut off the air conditioner 5 minutes before parking to protect the engine and save fuel.

Is Holding a Child in the Front Passenger Seat a Traffic Violation?

Holding a child in the front passenger seat is a traffic violation. The regulations for passengers in the front seat are as follows: 1. Minors under the age of 12 are not allowed to sit in the front seat: Minors under the age of 12 are not permitted to sit in the front row of a motor vehicle. Preschool-aged children should be seated in the rear and secured with a dedicated child seat as required by regulations. 2. Minors aged 12 and above: They should not sit in the front passenger seat but can sit in the rear seats. If necessary, a child seat should be used along with a seatbelt for securement, and the child safety locks on the rear doors should be engaged. 3. Pregnant women should avoid sitting in the front passenger seat: Since the design of the front passenger seatbelt does not account for pregnant women, it may fail to ensure their safety in the event of an accident.

What specification of engine oil is suitable for the Fit?

The Fit uses engine oils with specifications 5W-20, 5W-30, and 5W-40. The classification and usage environments of engine oils are as follows: Classification of engine oils: Engine oils are divided into three types: full synthetic oil, semi-synthetic oil, and mineral oil. Full synthetic oil has the longest service life, typically requiring replacement every 10,000 kilometers. Semi-synthetic oil can be replaced every 8,000 kilometers, while regular mineral oil should be replaced earlier. Usage environment of engine oils: For the Honda Fit in very cold climates, 5W-20 engine oil can be used. However, once the temperature exceeds 20 degrees Celsius, the oil must be replaced immediately to avoid engine damage.

What does 'failing to reverse into the garage' mean?

Failing to reverse into the garage means hitting the garage door or sideline during the reversing process. The key points and evaluation criteria for the reversing into garage test are as follows: Key points of the reversing into garage test: Accurately judge the vehicle's position and manipulate the vehicle to correctly reverse into and exit the garage from both sides by referring to the ground markings. During the test, the vehicle must not stop while moving forward or backward. The vehicle must reverse from one end of the road control line (the vehicle body crosses the control line) into the garage and park; then move forward to exit the garage, pass the control line at the other end, reverse into the garage again and park; finally, move forward to exit the garage. Evaluation criteria for the reversing into garage test: Not following the prescribed route or sequence: deduct 100 points; vehicle body crossing the line: deduct 100 points; failing to reverse into the garage: deduct 100 points; stopping midway: deduct 100 points.

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