The
main Transmission components that make up an automatic transmission include:
Planetary Gear Sets:
These are the mechanical systems that provide the various forward and reverse
gear ratios. Automatic transmissions have gears in multiple combinations.
The Hydraulic System
uses a special transmission components fluid which is brought under pressure by an Oil
Pump via the Valve Body to control the Clutches and the Bands in order to
control the planetary gear sets.
Seals and Gaskets:
these are meant to keep the oil where it is supposed to be and prevent it from
leaking out.
The Torque Converter:
this Transmission components acts like the clutch to let the vehicle come to a stop in gear
with the engine still running. A torque converter is a fluid coupling that is
mounted between the engine and the transmission
The Throttle Cable
looks at speed and throttle position in order to determine when to shift. The
Computer which controls shift points on newer vehicles and directs electrical
solenoids to shift oil flow to the appropriate transmission components at the right instant.
The Hydraulic system
is a set of passages and tubes that sends transmission fluid to all parts of
the transmission and torque converter. Transmission fluid is essential for
various purposes such as shift control, general lubrication and transmission
cooling. Every part of a transmission’s functions is dependent on a constant
supply of fluid under pressure.
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