What Does an Automatic Transmission Consist Of?

1 Answers
LaSpencer
07/30/25 7:26am
An automatic transmission consists of five main components: the torque converter, gear mechanism, oil supply system, automatic shift control system, and shift operating mechanism. An automatic transmission is a gear-shifting device that can automatically change gears based on the vehicle's speed and engine RPM, as opposed to a manual transmission. Currently, there are four common types of automatic transmissions in vehicles: hydraulic automatic transmissions, continuously variable transmissions (CVT), electronically controlled mechanical automatic transmissions, and dual-clutch transmissions. The core function of an automatic transmission is to enable automatic gear shifting, meaning that while driving, the driver only needs to operate the accelerator pedal as required, and the transmission will automatically select the appropriate gear based on engine load and the vehicle's operating conditions.
Was this review help?
2
3
Share
More Forum Discussions

Can a Depleted Car Battery Be Recharged?

Car batteries can be recharged when depleted, but it's crucial to charge them promptly, typically requiring 12 to 20 hours of charging. Charging Duration: Most household vehicles use 12V60Ah batteries, which generally require over 12 hours of charging. If using a low-current charger, approximately 20 hours may be needed for a full charge. Depleted Battery Recovery Methods: Jump-starting is a common way to recharge and restore a depleted car battery. This involves connecting the battery electrodes of two vehicles using jumper cables, then starting the donor vehicle to charge the depleted battery. After some time, the depleted vehicle can be started. Important notes: correctly identify the positive (red cable) and negative (black cable) terminals - connect positive first, then negative, ensuring no misconnections. After battery depletion, immediately use a battery charger. If a standard charger fails, the battery voltage might be insufficient, requiring a repair device to boost the high-resistance recovery voltage above 10V for successful charging. If the battery voltage remains below 10V after charging and repair attempts, replacement becomes necessary.
20
5
Share

What does the driving license interview mean? What is the interview process?

An interview is similar to a mock test, which is to determine whether you have the ability to take the test before the actual exam. The interview is usually organized by the driving school. The interview process is very simple. The driver can go to the local vehicle management office, fill in personal information at the window, and take a photo. Beginners who have just obtained their driving license should pay attention to the following points: 1. Develop the habit of checking rearview mirrors: Many beginners do not have the experience of driving fast, and their driving skills are not up to standard, so they must control the speed when driving on the road. The premise of driving is to ensure personal safety. 2. Learn to step on the brake: When driving, the right foot should be placed on the brake pedal, which is a very important preparation state for braking. Developing this habit can greatly improve driving safety. 3. Practice driving at a slow speed: When practicing driving, for your own safety and the safety of others, do not be overconfident and drive too fast. You should slow down, because if there is an emergency, you will have time to deal with it.
2
2
Share

What Causes the Exhaust Pipe to Make a Popping Sound After Driving Through Water?

The reason for the exhaust pipe making a popping sound after driving through water is damage to the muffler and exhaust pipe, aging of the heat shield, or a cracked exhaust pipe, among others. Below is an introduction related to vehicle wading: Introduction: Vehicle wading, as the name suggests, refers to driving a vehicle through low-lying, waterlogged roads. This usually occurs during rainy weather, in low-lying areas where poor drainage leads to water accumulation on the road. Precautions: Before wading, observe the road conditions carefully; during wading, maintain steady power; after wading, check the electrical system. If a car stalls in water, the main reason is usually water entering the exhaust pipe, though in some cases, electrical damage may also occur. Once a car stalls in water, do not attempt to restart it, as this may cause water to enter the intake manifold and damage the valves, potentially leading to severe engine damage. Instead, the car should be towed to a 4S shop immediately for professional handling.
16
1
Share

What are the reasons for the electric starter motor not responding?

The reasons for the electric starter motor not responding include incorrect gear position, not pressing the brake pedal, or the steering wheel being locked. Below are relevant details about the battery: Lifespan: Generally, a car battery has a normal lifespan of about two years; Maintenance: With proper maintenance, it can be extended, and the best ones can last around four years. Signs of a car battery running out of power: The car is difficult to start after being parked for two days, and the car noticeably becomes heavier when driving with the air conditioning on. Notes on car batteries: Modern car batteries come with a protection function that reserves the minimum power required for starting. If you turn the key without igniting the engine and use accessories like the radio or lights, it can last for about an hour or so.
5
2
Share

What was the last year for China II vehicles?

China II vehicles were last produced in 2005. Here is the relevant information: 1. China II: The abbreviation for the National Phase II Emission Standard, equivalent to the Euro II emission standard, meaning the content of tailpipe pollutants is equivalent to Euro II levels. 2. Regulation: According to the "Announcement on Implementing the National Phase II Motor Vehicle Emission Standards" issued by the Environmental Protection Administration, starting from September 1, 2003, all newly designed heavy-duty vehicles must comply with the National Phase II Type Approval Emission Limits, equivalent to Euro 2 standards. The so-called China II standard refers to China's second phase of automotive emission standards.
15
2
Share

What is the penalty for driving an unlicensed motorcycle with a C1 license?

Driving an unlicensed motorcycle with a C1 license is subject to a fine of 20-200 yuan. Introduction: A driver's license, fully known as a motor vehicle driver's license, is a certificate required by law for motor vehicle drivers. It is a legal document issued by the administrative authorities to individuals who have learned to drive motor vehicles, mastered traffic regulations and driving skills, and passed the relevant tests, permitting them to drive certain types of motor vehicles. Legal Provisions: According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses," applicants for a motor vehicle driver's license must meet the specified requirements. Article 7 states that the content recorded and noted on a motor vehicle driver's license includes the driver's information: name, gender, date of birth, nationality, address, ID number, and photograph.
4
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.