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What is the function of a transmission motor?

4 Answers
DeAlex
07/29/25 4:46am
The function of a transmission motor is to convert electrical energy into mechanical energy, which drives the crankshaft to rotate and starts the engine. In other words, the starter motor is the key component for starting a car. However, when using the starter, it is important to note that each starting time should not exceed 5 seconds, the interval between each use should be no less than 10-15 seconds, and it should not be used more than 3 times consecutively. Prolonged continuous starting can easily damage machine parts. Definition of a motor: "Motor" is the transliteration of the English word "motor," referring to an electric motor or engine. Its working principle involves the rotation of a powered coil in a magnetic field, which drives the starter rotor to rotate. The small gear on the rotor then drives the engine flywheel to rotate. Definition of a transmission: A transmission is a device that changes the speed ratio and direction of motion. It is used in automobiles, tractors, ships, machine tools, and various other machines to alter the torque, speed, and direction of motion from the driving shaft to the driven shaft under different working conditions. A gear-driven transmission typically consists of a housing and several gears.
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DelBrady
08/12/25 5:36pm
The transmission motor, simply put, is a small electric motor inside the transmission, specifically responsible for controlling gear shifts and transmission components. In automatic vehicles, it acts like a little helper—when the computer sends a command, the motor quickly rotates to move gears or valve bodies, ensuring smooth gear changes. In hybrid vehicles, it may also collaborate with the electric system to provide extra power or recover energy. Don’t underestimate it—it plays a huge role: it can make acceleration more responsive, reduce jerky shifts, improve fuel efficiency, and eliminate the hassle of manual shifting. I remember once on a highway drive, when the motor worked properly, the entire journey was as smooth as new. But if the motor ages or gets stuck, the car may shudder or experience delayed shifts. Modern cars often use electromagnetic motors, which are compact yet precise, requiring regular maintenance to prevent rust or electrical issues. When choosing a car, opt for models with advanced transmissions to enjoy a smarter driving experience.
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PeterRose
10/03/25 4:09am
Transmission motor? This is my secret weapon for driving! Hidden deep within the transmission, its main job is to automate gear shifts—like when the car accelerates, the motor instantly responds to computer signals, rotating the valve body or shift fork to change gears, eliminating the hassle of manual shifting. The most noticeable benefit in daily driving is improved comfort: smooth stops at red lights and seamless starts at green lights without jerking; steady power output when climbing hills, free from stuttering. If the motor fails, you might experience gear shifts as erratic as hiccups, or see a warning light on the dashboard. In my years of driving experience, a good transmission motor is like a loyal partner, quietly enhancing performance and extending transmission life. I recommend reminding mechanics to check the motor circuit during every maintenance session—keep dirt and moisture from corroding it to ensure your car runs smoothly.
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TessaMarie
11/16/25 5:49am
A common trouble spot during car repairs is the transmission motor, whose core function is to control internal transmission movements via an electric actuator to enable automatic gear shifting. When the motor malfunctions, symptoms are obvious: abnormal noises, jerking, or complete jamming during gear shifts. Diagnosis is straightforward—first check if fuses or wiring are burnt or loose; aging or moisture ingress in the motor itself can cause mechanical failure. The solution usually involves replacing the motor or cleaning contact points. Don’t delay—untimely repairs risk damaging the transmission. From my experience, maintenance hinges on a dry environment and regular power-on testing, prioritizing prevention.
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