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Transmission Component and System Description

Transmission Component and System Description


Gearbox functions can be divided into three parts:


Mechanical Components

Hydraulic Components

Control System


Mechanical Components


Torque converter with lock-up clutch

2 planetary gear units, of which the rear is double.

3 disc clutches

1 band type brake

1 multi-disc brake

1 free wheel

Final drive with differential




(1) Torque converter housing


(2) Torque converter clutch


(3) Turbine


(4) Impeller


(5) Stator


(6) Free wheel


(7) Input shaft


Hydraulic Components



(1) Torque Converter


(2) Valve housing


(2a) Solenoid valve


(2b) Linear solenoid


(2c) Control valve


(3) Clutch, brake


(4) Oil Cooler


(5) Oil Pump


(6) Planetary gear


(7) Oil Pressure


(8) Gearbox oil, inlet


(9) Gearbox oil, return


(10) Operating pressure


(11) Lubrication


(12) Oil flow to pump


Control System


Linear solenoids

PWM solenoids

Speed sensors

Temperature Sensor

Transmission Control Module including gear position sensor

Gear shift lever

Sport Mode Switch


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