Car Mechanics Automatic Transmission Images
Introduction
An automatic transmission is a type of transmission that uses a hydraulic system to change gears automatically, without the driver having to shift gears manually. Automatic transmissions are more common in passenger cars than in commercial vehicles, as they are easier to operate and can improve fuel economy.
How Automatic Transmissions Work
Automatic transmissions use a complex system of gears, clutches, and hydraulics to shift gears automatically. The basic principle of operation is that the transmission uses a torque converter to connect the engine to the transmission. The torque converter is a fluid coupling that allows the engine to run at a different speed than the transmission, which is necessary for smooth shifting.
When the driver shifts gears, the transmission control module (TCM) sends a signal to the hydraulic system, which activates the appropriate clutches and gears. The TCM uses a variety of sensors to determine the appropriate gear to shift to, including the engine speed, the vehicle speed, and the throttle position.
Types of Automatic Transmissions
There are two main types of automatic transmissions: planetary gear sets and continuously variable transmissions (CVTs). Planetary gear sets use a set of gears that are arranged in a planet-like configuration. The gears are meshed together in different combinations to change gears. CVTs use a belt or chain that runs over a set of pulleys to change gears. CVTs provide a smooth, stepless shifting experience.
Car Mechanics Automatic Transmission Images
Here are some car mechanics automatic transmission images:
Conclusion
Automatic transmissions are a complex and important part of modern vehicles. They provide a number of benefits, including ease of operation, improved fuel economy, and smoother shifting. If you are having problems with your automatic transmission, it is important to have it diagnosed and repaired by a qualified mechanic.
